Home / 89,335.18-123,282.79-49,051.55

Finding the Fourth Proportional to 89,335.18, 123,282.79 and 49,051.55

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Solution

The fourth proportional to 89,335.18, 123,282.79 and 49,051.55 is: 67,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,335.18 : 123,282.79 = 49,051.55 : x
  2. Step 2: Convert to fraction form
    89,335.18/123,282.79 = 49,051.55/x
  3. Step 3: Cross multiply
    89,335.18x = 123,282.79 × 49,051.55
  4. Step 4: Simplify right side
    89,335.18x = 6,047,212,123.40
  5. Step 5: Solve for x
    x = 6,047,212,123.40/89,335.18
  6. Step 6: Final answer
    x = 67,691.28

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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.