Home / 77,781.02-107,338.25-44,247.02

Finding the Fourth Proportional to 77,781.02, 107,338.25 and 44,247.02

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Solution

The fourth proportional to 77,781.02, 107,338.25 and 44,247.02 is: 61,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,781.02 : 107,338.25 = 44,247.02 : x
  2. Step 2: Convert to fraction form
    77,781.02/107,338.25 = 44,247.02/x
  3. Step 3: Cross multiply
    77,781.02x = 107,338.25 × 44,247.02
  4. Step 4: Simplify right side
    77,781.02x = 4,749,397,473.28
  5. Step 5: Solve for x
    x = 4,749,397,473.28/77,781.02
  6. Step 6: Final answer
    x = 61,061.14

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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.