Home / 86,925.80-130,356.30-60,552.20

Finding the Fourth Proportional to 86,925.80, 130,356.30 and 60,552.20

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Solution

The fourth proportional to 86,925.80, 130,356.30 and 60,552.20 is: 90,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,925.80 : 130,356.30 = 60,552.20 : x
  2. Step 2: Convert to fraction form
    86,925.80/130,356.30 = 60,552.20/x
  3. Step 3: Cross multiply
    86,925.80x = 130,356.30 × 60,552.20
  4. Step 4: Simplify right side
    86,925.80x = 7,893,360,748.86
  5. Step 5: Solve for x
    x = 7,893,360,748.86/86,925.80
  6. Step 6: Final answer
    x = 90,805.73

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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.