Home / 91,153.71-136,752.62-34,228.13

Finding the Fourth Proportional to 91,153.71, 136,752.62 and 34,228.13

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Solution

The fourth proportional to 91,153.71, 136,752.62 and 34,228.13 is: 51,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,153.71 : 136,752.62 = 34,228.13 : x
  2. Step 2: Convert to fraction form
    91,153.71/136,752.62 = 34,228.13/x
  3. Step 3: Cross multiply
    91,153.71x = 136,752.62 × 34,228.13
  4. Step 4: Simplify right side
    91,153.71x = 4,680,785,600.30
  5. Step 5: Solve for x
    x = 4,680,785,600.30/91,153.71
  6. Step 6: Final answer
    x = 51,350.47

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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.