Home / 112,618.88-155,417.28-62,322.56

Finding the Fourth Proportional to 112,618.88, 155,417.28 and 62,322.56

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Solution

The fourth proportional to 112,618.88, 155,417.28 and 62,322.56 is: 86,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,618.88 : 155,417.28 = 62,322.56 : x
  2. Step 2: Convert to fraction form
    112,618.88/155,417.28 = 62,322.56/x
  3. Step 3: Cross multiply
    112,618.88x = 155,417.28 × 62,322.56
  4. Step 4: Simplify right side
    112,618.88x = 9,686,002,757.84
  5. Step 5: Solve for x
    x = 9,686,002,757.84/112,618.88
  6. Step 6: Final answer
    x = 86,006.92

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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.