Home / 60,577.16-90,780.66-51,646.30

Finding the Fourth Proportional to 60,577.16, 90,780.66 and 51,646.30

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Solution

The fourth proportional to 60,577.16, 90,780.66 and 51,646.30 is: 77,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577.16 : 90,780.66 = 51,646.30 : x
  2. Step 2: Convert to fraction form
    60,577.16/90,780.66 = 51,646.30/x
  3. Step 3: Cross multiply
    60,577.16x = 90,780.66 × 51,646.30
  4. Step 4: Simplify right side
    60,577.16x = 4,688,485,200.56
  5. Step 5: Solve for x
    x = 4,688,485,200.56/60,577.16
  6. Step 6: Final answer
    x = 77,396.91

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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.