Home / 89,452.89-123,437.32-52,655.20

Finding the Fourth Proportional to 89,452.89, 123,437.32 and 52,655.20

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Solution

The fourth proportional to 89,452.89, 123,437.32 and 52,655.20 is: 72,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,452.89 : 123,437.32 = 52,655.20 : x
  2. Step 2: Convert to fraction form
    89,452.89/123,437.32 = 52,655.20/x
  3. Step 3: Cross multiply
    89,452.89x = 123,437.32 × 52,655.20
  4. Step 4: Simplify right side
    89,452.89x = 6,499,616,331.83
  5. Step 5: Solve for x
    x = 6,499,616,331.83/89,452.89
  6. Step 6: Final answer
    x = 72,659.66

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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.