Home / 67,279.12-100,934.54-37,717.36

Finding the Fourth Proportional to 67,279.12, 100,934.54 and 37,717.36

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Solution

The fourth proportional to 67,279.12, 100,934.54 and 37,717.36 is: 56,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,279.12 : 100,934.54 = 37,717.36 : x
  2. Step 2: Convert to fraction form
    67,279.12/100,934.54 = 37,717.36/x
  3. Step 3: Cross multiply
    67,279.12x = 100,934.54 × 37,717.36
  4. Step 4: Simplify right side
    67,279.12x = 3,806,984,381.61
  5. Step 5: Solve for x
    x = 3,806,984,381.61/67,279.12
  6. Step 6: Final answer
    x = 56,584.93

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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.