Home / 112,714.76-155,545.24-61,031.60

Finding the Fourth Proportional to 112,714.76, 155,545.24 and 61,031.60

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Solution

The fourth proportional to 112,714.76, 155,545.24 and 61,031.60 is: 84,223.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,714.76 : 155,545.24 = 61,031.60 : x
  2. Step 2: Convert to fraction form
    112,714.76/155,545.24 = 61,031.60/x
  3. Step 3: Cross multiply
    112,714.76x = 155,545.24 × 61,031.60
  4. Step 4: Simplify right side
    112,714.76x = 9,493,174,869.58
  5. Step 5: Solve for x
    x = 9,493,174,869.58/112,714.76
  6. Step 6: Final answer
    x = 84,223.00

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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.