Home / 86,677.92-129,641.28-51,054.24

Finding the Fourth Proportional to 86,677.92, 129,641.28 and 51,054.24

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Solution

The fourth proportional to 86,677.92, 129,641.28 and 51,054.24 is: 76,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,677.92 : 129,641.28 = 51,054.24 : x
  2. Step 2: Convert to fraction form
    86,677.92/129,641.28 = 51,054.24/x
  3. Step 3: Cross multiply
    86,677.92x = 129,641.28 × 51,054.24
  4. Step 4: Simplify right side
    86,677.92x = 6,618,737,023.03
  5. Step 5: Solve for x
    x = 6,618,737,023.03/86,677.92
  6. Step 6: Final answer
    x = 76,360.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.