Home / 84,636.52-126,897.26-40,267.76

Finding the Fourth Proportional to 84,636.52, 126,897.26 and 40,267.76

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Solution

The fourth proportional to 84,636.52, 126,897.26 and 40,267.76 is: 60,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,636.52 : 126,897.26 = 40,267.76 : x
  2. Step 2: Convert to fraction form
    84,636.52/126,897.26 = 40,267.76/x
  3. Step 3: Cross multiply
    84,636.52x = 126,897.26 × 40,267.76
  4. Step 4: Simplify right side
    84,636.52x = 5,109,868,044.66
  5. Step 5: Solve for x
    x = 5,109,868,044.66/84,636.52
  6. Step 6: Final answer
    x = 60,374.27

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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.