Home / 85,344.24-127,973.28-49,817.76

Finding the Fourth Proportional to 85,344.24, 127,973.28 and 49,817.76

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Solution

The fourth proportional to 85,344.24, 127,973.28 and 49,817.76 is: 74,701.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,344.24 : 127,973.28 = 49,817.76 : x
  2. Step 2: Convert to fraction form
    85,344.24/127,973.28 = 49,817.76/x
  3. Step 3: Cross multiply
    85,344.24x = 127,973.28 × 49,817.76
  4. Step 4: Simplify right side
    85,344.24x = 6,375,342,149.45
  5. Step 5: Solve for x
    x = 6,375,342,149.45/85,344.24
  6. Step 6: Final answer
    x = 74,701.49

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1.5x scale

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.