Home / 71,496.08-98,664.71-39,664.97

Finding the Fourth Proportional to 71,496.08, 98,664.71 and 39,664.97

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Solution

The fourth proportional to 71,496.08, 98,664.71 and 39,664.97 is: 54,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,496.08 : 98,664.71 = 39,664.97 : x
  2. Step 2: Convert to fraction form
    71,496.08/98,664.71 = 39,664.97/x
  3. Step 3: Cross multiply
    71,496.08x = 98,664.71 × 39,664.97
  4. Step 4: Simplify right side
    71,496.08x = 3,913,532,070.56
  5. Step 5: Solve for x
    x = 3,913,532,070.56/71,496.08
  6. Step 6: Final answer
    x = 54,737.72

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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.