Home / 94,709.30-141,891.15-77,083.70

Finding the Fourth Proportional to 94,709.30, 141,891.15 and 77,083.70

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Solution

The fourth proportional to 94,709.30, 141,891.15 and 77,083.70 is: 115,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,709.30 : 141,891.15 = 77,083.70 : x
  2. Step 2: Convert to fraction form
    94,709.30/141,891.15 = 77,083.70/x
  3. Step 3: Cross multiply
    94,709.30x = 141,891.15 × 77,083.70
  4. Step 4: Simplify right side
    94,709.30x = 10,937,494,839.26
  5. Step 5: Solve for x
    x = 10,937,494,839.26/94,709.30
  6. Step 6: Final answer
    x = 115,484.91

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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.