Home / 83,121.24-114,678.87-47,302.29

Finding the Fourth Proportional to 83,121.24, 114,678.87 and 47,302.29

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Solution

The fourth proportional to 83,121.24, 114,678.87 and 47,302.29 is: 65,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,121.24 : 114,678.87 = 47,302.29 : x
  2. Step 2: Convert to fraction form
    83,121.24/114,678.87 = 47,302.29/x
  3. Step 3: Cross multiply
    83,121.24x = 114,678.87 × 47,302.29
  4. Step 4: Simplify right side
    83,121.24x = 5,424,573,165.61
  5. Step 5: Solve for x
    x = 5,424,573,165.61/83,121.24
  6. Step 6: Final answer
    x = 65,260.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.