Home / 77,038.72-115,557.15-24,448.66

Finding the Fourth Proportional to 77,038.72, 115,557.15 and 24,448.66

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Solution

The fourth proportional to 77,038.72, 115,557.15 and 24,448.66 is: 36,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,038.72 : 115,557.15 = 24,448.66 : x
  2. Step 2: Convert to fraction form
    77,038.72/115,557.15 = 24,448.66/x
  3. Step 3: Cross multiply
    77,038.72x = 115,557.15 × 24,448.66
  4. Step 4: Simplify right side
    77,038.72x = 2,825,217,470.92
  5. Step 5: Solve for x
    x = 2,825,217,470.92/77,038.72
  6. Step 6: Final answer
    x = 36,672.69

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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.