Home / 92,720.64-127,954.08-50,279.04

Finding the Fourth Proportional to 92,720.64, 127,954.08 and 50,279.04

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Solution

The fourth proportional to 92,720.64, 127,954.08 and 50,279.04 is: 69,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,720.64 : 127,954.08 = 50,279.04 : x
  2. Step 2: Convert to fraction form
    92,720.64/127,954.08 = 50,279.04/x
  3. Step 3: Cross multiply
    92,720.64x = 127,954.08 × 50,279.04
  4. Step 4: Simplify right side
    92,720.64x = 6,433,408,306.48
  5. Step 5: Solve for x
    x = 6,433,408,306.48/92,720.64
  6. Step 6: Final answer
    x = 69,384.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.