Home / 89,811.30-123,938.06-49,528.92

Finding the Fourth Proportional to 89,811.30, 123,938.06 and 49,528.92

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Solution

The fourth proportional to 89,811.30, 123,938.06 and 49,528.92 is: 68,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,811.30 : 123,938.06 = 49,528.92 : x
  2. Step 2: Convert to fraction form
    89,811.30/123,938.06 = 49,528.92/x
  3. Step 3: Cross multiply
    89,811.30x = 123,938.06 × 49,528.92
  4. Step 4: Simplify right side
    89,811.30x = 6,138,518,011.05
  5. Step 5: Solve for x
    x = 6,138,518,011.05/89,811.30
  6. Step 6: Final answer
    x = 68,349.06

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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.