Home / 77,811.12-107,398.56-44,296.56

Finding the Fourth Proportional to 77,811.12, 107,398.56 and 44,296.56

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Solution

The fourth proportional to 77,811.12, 107,398.56 and 44,296.56 is: 61,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,811.12 : 107,398.56 = 44,296.56 : x
  2. Step 2: Convert to fraction form
    77,811.12/107,398.56 = 44,296.56/x
  3. Step 3: Cross multiply
    77,811.12x = 107,398.56 × 44,296.56
  4. Step 4: Simplify right side
    77,811.12x = 4,757,386,756.95
  5. Step 5: Solve for x
    x = 4,757,386,756.95/77,811.12
  6. Step 6: Final answer
    x = 61,140.19

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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.