Home / 89,925.12-134,875.84-27,590.40

Finding the Fourth Proportional to 89,925.12, 134,875.84 and 27,590.40

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Solution

The fourth proportional to 89,925.12, 134,875.84 and 27,590.40 is: 41,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,925.12 : 134,875.84 = 27,590.40 : x
  2. Step 2: Convert to fraction form
    89,925.12/134,875.84 = 27,590.40/x
  3. Step 3: Cross multiply
    89,925.12x = 134,875.84 × 27,590.40
  4. Step 4: Simplify right side
    89,925.12x = 3,721,278,375.94
  5. Step 5: Solve for x
    x = 3,721,278,375.94/89,925.12
  6. Step 6: Final answer
    x = 41,381.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.