Home / 85,288.08-127,877.38-35,402.61

Finding the Fourth Proportional to 85,288.08, 127,877.38 and 35,402.61

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Solution

The fourth proportional to 85,288.08, 127,877.38 and 35,402.61 is: 53,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,288.08 : 127,877.38 = 35,402.61 : x
  2. Step 2: Convert to fraction form
    85,288.08/127,877.38 = 35,402.61/x
  3. Step 3: Cross multiply
    85,288.08x = 127,877.38 × 35,402.61
  4. Step 4: Simplify right side
    85,288.08x = 4,527,192,923.46
  5. Step 5: Solve for x
    x = 4,527,192,923.46/85,288.08
  6. Step 6: Final answer
    x = 53,081.19

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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.