Home / 109,113.62-150,575.36-61,366.95

Finding the Fourth Proportional to 109,113.62, 150,575.36 and 61,366.95

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Solution

The fourth proportional to 109,113.62, 150,575.36 and 61,366.95 is: 84,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113.62 : 150,575.36 = 61,366.95 : x
  2. Step 2: Convert to fraction form
    109,113.62/150,575.36 = 61,366.95/x
  3. Step 3: Cross multiply
    109,113.62x = 150,575.36 × 61,366.95
  4. Step 4: Simplify right side
    109,113.62x = 9,240,350,281.52
  5. Step 5: Solve for x
    x = 9,240,350,281.52/109,113.62
  6. Step 6: Final answer
    x = 84,685.58

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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.