Home / 89,520.72-123,508.34-50,754.40

Finding the Fourth Proportional to 89,520.72, 123,508.34 and 50,754.40

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Solution

The fourth proportional to 89,520.72, 123,508.34 and 50,754.40 is: 70,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520.72 : 123,508.34 = 50,754.40 : x
  2. Step 2: Convert to fraction form
    89,520.72/123,508.34 = 50,754.40/x
  3. Step 3: Cross multiply
    89,520.72x = 123,508.34 × 50,754.40
  4. Step 4: Simplify right side
    89,520.72x = 6,268,591,437.92
  5. Step 5: Solve for x
    x = 6,268,591,437.92/89,520.72
  6. Step 6: Final answer
    x = 70,023.92

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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.