Home / 89,335.13-123,282.72-49,051.51

Finding the Fourth Proportional to 89,335.13, 123,282.72 and 49,051.51

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Solution

The fourth proportional to 89,335.13, 123,282.72 and 49,051.51 is: 67,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,335.13 : 123,282.72 = 49,051.51 : x
  2. Step 2: Convert to fraction form
    89,335.13/123,282.72 = 49,051.51/x
  3. Step 3: Cross multiply
    89,335.13x = 123,282.72 × 49,051.51
  4. Step 4: Simplify right side
    89,335.13x = 6,047,203,264.70
  5. Step 5: Solve for x
    x = 6,047,203,264.70/89,335.13
  6. Step 6: Final answer
    x = 67,691.21

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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.