Home / 77,581.15-107,062.04-43,589.64

Finding the Fourth Proportional to 77,581.15, 107,062.04 and 43,589.64

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Solution

The fourth proportional to 77,581.15, 107,062.04 and 43,589.64 is: 60,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,581.15 : 107,062.04 = 43,589.64 : x
  2. Step 2: Convert to fraction form
    77,581.15/107,062.04 = 43,589.64/x
  3. Step 3: Cross multiply
    77,581.15x = 107,062.04 × 43,589.64
  4. Step 4: Simplify right side
    77,581.15x = 4,666,795,295.66
  5. Step 5: Solve for x
    x = 4,666,795,295.66/77,581.15
  6. Step 6: Final answer
    x = 60,153.72

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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.