Home / 112,444-155,170.64-62,141.92

Finding the Fourth Proportional to 112,444, 155,170.64 and 62,141.92

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Solution

The fourth proportional to 112,444, 155,170.64 and 62,141.92 is: 85,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,444 : 155,170.64 = 62,141.92 : x
  2. Step 2: Convert to fraction form
    112,444/155,170.64 = 62,141.92/x
  3. Step 3: Cross multiply
    112,444x = 155,170.64 × 62,141.92
  4. Step 4: Simplify right side
    112,444x = 9,642,601,497.23
  5. Step 5: Solve for x
    x = 9,642,601,497.23/112,444
  6. Step 6: Final answer
    x = 85,754.70

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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.