Home / 89,565.39-123,603.20-51,332.18

Finding the Fourth Proportional to 89,565.39, 123,603.20 and 51,332.18

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Solution

The fourth proportional to 89,565.39, 123,603.20 and 51,332.18 is: 70,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,565.39 : 123,603.20 = 51,332.18 : x
  2. Step 2: Convert to fraction form
    89,565.39/123,603.20 = 51,332.18/x
  3. Step 3: Cross multiply
    89,565.39x = 123,603.20 × 51,332.18
  4. Step 4: Simplify right side
    89,565.39x = 6,344,820,836.30
  5. Step 5: Solve for x
    x = 6,344,820,836.30/89,565.39
  6. Step 6: Final answer
    x = 70,840.10

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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.