Home / 77,921.11-107,531.16-44,387.11

Finding the Fourth Proportional to 77,921.11, 107,531.16 and 44,387.11

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Solution

The fourth proportional to 77,921.11, 107,531.16 and 44,387.11 is: 61,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,921.11 : 107,531.16 = 44,387.11 : x
  2. Step 2: Convert to fraction form
    77,921.11/107,531.16 = 44,387.11/x
  3. Step 3: Cross multiply
    77,921.11x = 107,531.16 × 44,387.11
  4. Step 4: Simplify right side
    77,921.11x = 4,772,997,395.31
  5. Step 5: Solve for x
    x = 4,772,997,395.31/77,921.11
  6. Step 6: Final answer
    x = 61,254.23

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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.