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Finding the Fourth Proportional to 71,097.28, 98,114.81 and 39,266.71

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Solution

The fourth proportional to 71,097.28, 98,114.81 and 39,266.71 is: 54,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,097.28 : 98,114.81 = 39,266.71 : x
  2. Step 2: Convert to fraction form
    71,097.28/98,114.81 = 39,266.71/x
  3. Step 3: Cross multiply
    71,097.28x = 98,114.81 × 39,266.71
  4. Step 4: Simplify right side
    71,097.28x = 3,852,645,349.35
  5. Step 5: Solve for x
    x = 3,852,645,349.35/71,097.28
  6. Step 6: Final answer
    x = 54,188.37

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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.