Home / 106,621.20-147,139.54-58,877.56

Finding the Fourth Proportional to 106,621.20, 147,139.54 and 58,877.56

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Solution

The fourth proportional to 106,621.20, 147,139.54 and 58,877.56 is: 81,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,621.20 : 147,139.54 = 58,877.56 : x
  2. Step 2: Convert to fraction form
    106,621.20/147,139.54 = 58,877.56/x
  3. Step 3: Cross multiply
    106,621.20x = 147,139.54 × 58,877.56
  4. Step 4: Simplify right side
    106,621.20x = 8,663,217,094.72
  5. Step 5: Solve for x
    x = 8,663,217,094.72/106,621.20
  6. Step 6: Final answer
    x = 81,252.29

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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.