Home / 89,145.14-123,002.11-52,830.58

Finding the Fourth Proportional to 89,145.14, 123,002.11 and 52,830.58

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Solution

The fourth proportional to 89,145.14, 123,002.11 and 52,830.58 is: 72,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,145.14 : 123,002.11 = 52,830.58 : x
  2. Step 2: Convert to fraction form
    89,145.14/123,002.11 = 52,830.58/x
  3. Step 3: Cross multiply
    89,145.14x = 123,002.11 × 52,830.58
  4. Step 4: Simplify right side
    89,145.14x = 6,498,272,372.94
  5. Step 5: Solve for x
    x = 6,498,272,372.94/89,145.14
  6. Step 6: Final answer
    x = 72,895.42

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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.