Home / 89,877.16-124,031.16-49,592.42

Finding the Fourth Proportional to 89,877.16, 124,031.16 and 49,592.42

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Solution

The fourth proportional to 89,877.16, 124,031.16 and 49,592.42 is: 68,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,877.16 : 124,031.16 = 49,592.42 : x
  2. Step 2: Convert to fraction form
    89,877.16/124,031.16 = 49,592.42/x
  3. Step 3: Cross multiply
    89,877.16x = 124,031.16 × 49,592.42
  4. Step 4: Simplify right side
    89,877.16x = 6,151,004,511.69
  5. Step 5: Solve for x
    x = 6,151,004,511.69/89,877.16
  6. Step 6: Final answer
    x = 68,437.91

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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.