Home / 102,247.92-141,073.80-61,401.52

Finding the Fourth Proportional to 102,247.92, 141,073.80 and 61,401.52

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Solution

The fourth proportional to 102,247.92, 141,073.80 and 61,401.52 is: 84,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,247.92 : 141,073.80 = 61,401.52 : x
  2. Step 2: Convert to fraction form
    102,247.92/141,073.80 = 61,401.52/x
  3. Step 3: Cross multiply
    102,247.92x = 141,073.80 × 61,401.52
  4. Step 4: Simplify right side
    102,247.92x = 8,662,145,752.18
  5. Step 5: Solve for x
    x = 8,662,145,752.18/102,247.92
  6. Step 6: Final answer
    x = 84,717.09

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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.