Home / 112,720.11-169,085.17-62,762.65

Finding the Fourth Proportional to 112,720.11, 169,085.17 and 62,762.65

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Solution

The fourth proportional to 112,720.11, 169,085.17 and 62,762.65 is: 94,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,720.11 : 169,085.17 = 62,762.65 : x
  2. Step 2: Convert to fraction form
    112,720.11/169,085.17 = 62,762.65/x
  3. Step 3: Cross multiply
    112,720.11x = 169,085.17 × 62,762.65
  4. Step 4: Simplify right side
    112,720.11x = 10,612,233,000.64
  5. Step 5: Solve for x
    x = 10,612,233,000.64/112,720.11
  6. Step 6: Final answer
    x = 94,146.76

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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.