Home / 112,177.13-154,815.37-61,876.13

Finding the Fourth Proportional to 112,177.13, 154,815.37 and 61,876.13

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Solution

The fourth proportional to 112,177.13, 154,815.37 and 61,876.13 is: 85,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,177.13 : 154,815.37 = 61,876.13 : x
  2. Step 2: Convert to fraction form
    112,177.13/154,815.37 = 61,876.13/x
  3. Step 3: Cross multiply
    112,177.13x = 154,815.37 × 61,876.13
  4. Step 4: Simplify right side
    112,177.13x = 9,579,375,031.35
  5. Step 5: Solve for x
    x = 9,579,375,031.35/112,177.13
  6. Step 6: Final answer
    x = 85,395.08

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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.