Home / 89,520.74-123,539.66-49,235.18

Finding the Fourth Proportional to 89,520.74, 123,539.66 and 49,235.18

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Solution

The fourth proportional to 89,520.74, 123,539.66 and 49,235.18 is: 67,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520.74 : 123,539.66 = 49,235.18 : x
  2. Step 2: Convert to fraction form
    89,520.74/123,539.66 = 49,235.18/x
  3. Step 3: Cross multiply
    89,520.74x = 123,539.66 × 49,235.18
  4. Step 4: Simplify right side
    89,520.74x = 6,082,497,178.60
  5. Step 5: Solve for x
    x = 6,082,497,178.60/89,520.74
  6. Step 6: Final answer
    x = 67,945.11

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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.