Home / 68,004.69-93,840.96-39,326.23

Finding the Fourth Proportional to 68,004.69, 93,840.96 and 39,326.23

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Solution

The fourth proportional to 68,004.69, 93,840.96 and 39,326.23 is: 54,267.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,004.69 : 93,840.96 = 39,326.23 : x
  2. Step 2: Convert to fraction form
    68,004.69/93,840.96 = 39,326.23/x
  3. Step 3: Cross multiply
    68,004.69x = 93,840.96 × 39,326.23
  4. Step 4: Simplify right side
    68,004.69x = 3,690,411,176.38
  5. Step 5: Solve for x
    x = 3,690,411,176.38/68,004.69
  6. Step 6: Final answer
    x = 54,267.01

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.