Home / 124,891.43-187,338.89-40,652.06

Finding the Fourth Proportional to 124,891.43, 187,338.89 and 40,652.06

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Solution

The fourth proportional to 124,891.43, 187,338.89 and 40,652.06 is: 60,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,891.43 : 187,338.89 = 40,652.06 : x
  2. Step 2: Convert to fraction form
    124,891.43/187,338.89 = 40,652.06/x
  3. Step 3: Cross multiply
    124,891.43x = 187,338.89 × 40,652.06
  4. Step 4: Simplify right side
    124,891.43x = 7,615,710,961.55
  5. Step 5: Solve for x
    x = 7,615,710,961.55/124,891.43
  6. Step 6: Final answer
    x = 60,978.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.