Home / 68,010.10-93,853.08-39,328.94

Finding the Fourth Proportional to 68,010.10, 93,853.08 and 39,328.94

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Solution

The fourth proportional to 68,010.10, 93,853.08 and 39,328.94 is: 54,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010.10 : 93,853.08 = 39,328.94 : x
  2. Step 2: Convert to fraction form
    68,010.10/93,853.08 = 39,328.94/x
  3. Step 3: Cross multiply
    68,010.10x = 93,853.08 × 39,328.94
  4. Step 4: Simplify right side
    68,010.10x = 3,691,142,386.77
  5. Step 5: Solve for x
    x = 3,691,142,386.77/68,010.10
  6. Step 6: Final answer
    x = 54,273.45

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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.