Home / 71,327.07-98,431.02-39,061.80

Finding the Fourth Proportional to 71,327.07, 98,431.02 and 39,061.80

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Solution

The fourth proportional to 71,327.07, 98,431.02 and 39,061.80 is: 53,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327.07 : 98,431.02 = 39,061.80 : x
  2. Step 2: Convert to fraction form
    71,327.07/98,431.02 = 39,061.80/x
  3. Step 3: Cross multiply
    71,327.07x = 98,431.02 × 39,061.80
  4. Step 4: Simplify right side
    71,327.07x = 3,844,892,817.04
  5. Step 5: Solve for x
    x = 3,844,892,817.04/71,327.07
  6. Step 6: Final answer
    x = 53,905.10

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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.