Home / 112,957.11-169,436.25-38,077.91

Finding the Fourth Proportional to 112,957.11, 169,436.25 and 38,077.91

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Solution

The fourth proportional to 112,957.11, 169,436.25 and 38,077.91 is: 57,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,957.11 : 169,436.25 = 38,077.91 : x
  2. Step 2: Convert to fraction form
    112,957.11/169,436.25 = 38,077.91/x
  3. Step 3: Cross multiply
    112,957.11x = 169,436.25 × 38,077.91
  4. Step 4: Simplify right side
    112,957.11x = 6,451,778,087.85
  5. Step 5: Solve for x
    x = 6,451,778,087.85/112,957.11
  6. Step 6: Final answer
    x = 57,117.06

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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.