Home / 77,186.66-115,713.43-29,834.98

Finding the Fourth Proportional to 77,186.66, 115,713.43 and 29,834.98

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Solution

The fourth proportional to 77,186.66, 115,713.43 and 29,834.98 is: 44,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,186.66 : 115,713.43 = 29,834.98 : x
  2. Step 2: Convert to fraction form
    77,186.66/115,713.43 = 29,834.98/x
  3. Step 3: Cross multiply
    77,186.66x = 115,713.43 × 29,834.98
  4. Step 4: Simplify right side
    77,186.66x = 3,452,307,869.78
  5. Step 5: Solve for x
    x = 3,452,307,869.78/77,186.66
  6. Step 6: Final answer
    x = 44,726.74

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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.