Home / 84,760.20-127,119-34,854.24

Finding the Fourth Proportional to 84,760.20, 127,119 and 34,854.24

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Solution

The fourth proportional to 84,760.20, 127,119 and 34,854.24 is: 52,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,760.20 : 127,119 = 34,854.24 : x
  2. Step 2: Convert to fraction form
    84,760.20/127,119 = 34,854.24/x
  3. Step 3: Cross multiply
    84,760.20x = 127,119 × 34,854.24
  4. Step 4: Simplify right side
    84,760.20x = 4,430,636,134.56
  5. Step 5: Solve for x
    x = 4,430,636,134.56/84,760.20
  6. Step 6: Final answer
    x = 52,272.60

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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.