Home / 77,158.56-115,746.12-24,555.74

Finding the Fourth Proportional to 77,158.56, 115,746.12 and 24,555.74

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Solution

The fourth proportional to 77,158.56, 115,746.12 and 24,555.74 is: 36,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,158.56 : 115,746.12 = 24,555.74 : x
  2. Step 2: Convert to fraction form
    77,158.56/115,746.12 = 24,555.74/x
  3. Step 3: Cross multiply
    77,158.56x = 115,746.12 × 24,555.74
  4. Step 4: Simplify right side
    77,158.56x = 2,842,231,628.73
  5. Step 5: Solve for x
    x = 2,842,231,628.73/77,158.56
  6. Step 6: Final answer
    x = 36,836.25

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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.