Home / 89,520.62-123,539.28-48,685.13

Finding the Fourth Proportional to 89,520.62, 123,539.28 and 48,685.13

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Solution

The fourth proportional to 89,520.62, 123,539.28 and 48,685.13 is: 67,185.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520.62 : 123,539.28 = 48,685.13 : x
  2. Step 2: Convert to fraction form
    89,520.62/123,539.28 = 48,685.13/x
  3. Step 3: Cross multiply
    89,520.62x = 123,539.28 × 48,685.13
  4. Step 4: Simplify right side
    89,520.62x = 6,014,525,289.21
  5. Step 5: Solve for x
    x = 6,014,525,289.21/89,520.62
  6. Step 6: Final answer
    x = 67,185.92

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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.