Home / 112,880.12-169,306.34-65,521.02

Finding the Fourth Proportional to 112,880.12, 169,306.34 and 65,521.02

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Solution

The fourth proportional to 112,880.12, 169,306.34 and 65,521.02 is: 98,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,880.12 : 169,306.34 = 65,521.02 : x
  2. Step 2: Convert to fraction form
    112,880.12/169,306.34 = 65,521.02/x
  3. Step 3: Cross multiply
    112,880.12x = 169,306.34 × 65,521.02
  4. Step 4: Simplify right side
    112,880.12x = 11,093,123,761.66
  5. Step 5: Solve for x
    x = 11,093,123,761.66/112,880.12
  6. Step 6: Final answer
    x = 98,273.50

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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.