Home / 112,863.33-155,749.14-61,876.17

Finding the Fourth Proportional to 112,863.33, 155,749.14 and 61,876.17

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Solution

The fourth proportional to 112,863.33, 155,749.14 and 61,876.17 is: 85,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,863.33 : 155,749.14 = 61,876.17 : x
  2. Step 2: Convert to fraction form
    112,863.33/155,749.14 = 61,876.17/x
  3. Step 3: Cross multiply
    112,863.33x = 155,749.14 × 61,876.17
  4. Step 4: Simplify right side
    112,863.33x = 9,637,160,263.99
  5. Step 5: Solve for x
    x = 9,637,160,263.99/112,863.33
  6. Step 6: Final answer
    x = 85,387.88

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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.