Home / 113,049.06-169,347.51-68,045.70

Finding the Fourth Proportional to 113,049.06, 169,347.51 and 68,045.70

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Solution

The fourth proportional to 113,049.06, 169,347.51 and 68,045.70 is: 101,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,049.06 : 169,347.51 = 68,045.70 : x
  2. Step 2: Convert to fraction form
    113,049.06/169,347.51 = 68,045.70/x
  3. Step 3: Cross multiply
    113,049.06x = 169,347.51 × 68,045.70
  4. Step 4: Simplify right side
    113,049.06x = 11,523,369,861.21
  5. Step 5: Solve for x
    x = 11,523,369,861.21/113,049.06
  6. Step 6: Final answer
    x = 101,932.47

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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.