Home / 77,921.43-107,531.59-44,387.43

Finding the Fourth Proportional to 77,921.43, 107,531.59 and 44,387.43

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Solution

The fourth proportional to 77,921.43, 107,531.59 and 44,387.43 is: 61,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,921.43 : 107,531.59 = 44,387.43 : x
  2. Step 2: Convert to fraction form
    77,921.43/107,531.59 = 44,387.43/x
  3. Step 3: Cross multiply
    77,921.43x = 107,531.59 × 44,387.43
  4. Step 4: Simplify right side
    77,921.43x = 4,773,050,923.91
  5. Step 5: Solve for x
    x = 4,773,050,923.91/77,921.43
  6. Step 6: Final answer
    x = 61,254.66

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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.