Home / 89,542.40-123,577.57-51,307.02

Finding the Fourth Proportional to 89,542.40, 123,577.57 and 51,307.02

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Solution

The fourth proportional to 89,542.40, 123,577.57 and 51,307.02 is: 70,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542.40 : 123,577.57 = 51,307.02 : x
  2. Step 2: Convert to fraction form
    89,542.40/123,577.57 = 51,307.02/x
  3. Step 3: Cross multiply
    89,542.40x = 123,577.57 × 51,307.02
  4. Step 4: Simplify right side
    89,542.40x = 6,340,396,727.27
  5. Step 5: Solve for x
    x = 6,340,396,727.27/89,542.40
  6. Step 6: Final answer
    x = 70,808.87

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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.