Home / 68,001.94-93,815.78-39,316.30

Finding the Fourth Proportional to 68,001.94, 93,815.78 and 39,316.30

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Solution

The fourth proportional to 68,001.94, 93,815.78 and 39,316.30 is: 54,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,001.94 : 93,815.78 = 39,316.30 : x
  2. Step 2: Convert to fraction form
    68,001.94/93,815.78 = 39,316.30/x
  3. Step 3: Cross multiply
    68,001.94x = 93,815.78 × 39,316.30
  4. Step 4: Simplify right side
    68,001.94x = 3,688,489,351.21
  5. Step 5: Solve for x
    x = 3,688,489,351.21/68,001.94
  6. Step 6: Final answer
    x = 54,240.94

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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.