Home / 91,141.13-136,772.45-35,027.57

Finding the Fourth Proportional to 91,141.13, 136,772.45 and 35,027.57

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Solution

The fourth proportional to 91,141.13, 136,772.45 and 35,027.57 is: 52,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,141.13 : 136,772.45 = 35,027.57 : x
  2. Step 2: Convert to fraction form
    91,141.13/136,772.45 = 35,027.57/x
  3. Step 3: Cross multiply
    91,141.13x = 136,772.45 × 35,027.57
  4. Step 4: Simplify right side
    91,141.13x = 4,790,805,707.45
  5. Step 5: Solve for x
    x = 4,790,805,707.45/91,141.13
  6. Step 6: Final answer
    x = 52,564.70

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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.