Home / 112,725.35-155,557.14-64,329.95

Finding the Fourth Proportional to 112,725.35, 155,557.14 and 64,329.95

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Solution

The fourth proportional to 112,725.35, 155,557.14 and 64,329.95 is: 88,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,725.35 : 155,557.14 = 64,329.95 : x
  2. Step 2: Convert to fraction form
    112,725.35/155,557.14 = 64,329.95/x
  3. Step 3: Cross multiply
    112,725.35x = 155,557.14 × 64,329.95
  4. Step 4: Simplify right side
    112,725.35x = 10,006,982,260.56
  5. Step 5: Solve for x
    x = 10,006,982,260.56/112,725.35
  6. Step 6: Final answer
    x = 88,773.13

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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.