Home / 77,134.20-115,696.44-24,581.40

Finding the Fourth Proportional to 77,134.20, 115,696.44 and 24,581.40

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Solution

The fourth proportional to 77,134.20, 115,696.44 and 24,581.40 is: 36,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,134.20 : 115,696.44 = 24,581.40 : x
  2. Step 2: Convert to fraction form
    77,134.20/115,696.44 = 24,581.40/x
  3. Step 3: Cross multiply
    77,134.20x = 115,696.44 × 24,581.40
  4. Step 4: Simplify right side
    77,134.20x = 2,843,980,470.22
  5. Step 5: Solve for x
    x = 2,843,980,470.22/77,134.20
  6. Step 6: Final answer
    x = 36,870.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.