Home / 88,098.67-121,577.07-47,812.78

Finding the Fourth Proportional to 88,098.67, 121,577.07 and 47,812.78

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Solution

The fourth proportional to 88,098.67, 121,577.07 and 47,812.78 is: 65,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,098.67 : 121,577.07 = 47,812.78 : x
  2. Step 2: Convert to fraction form
    88,098.67/121,577.07 = 47,812.78/x
  3. Step 3: Cross multiply
    88,098.67x = 121,577.07 × 47,812.78
  4. Step 4: Simplify right side
    88,098.67x = 5,812,936,854.01
  5. Step 5: Solve for x
    x = 5,812,936,854.01/88,098.67
  6. Step 6: Final answer
    x = 65,982.12

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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.