Home / 72,032.20-107,999.70-34,610.20

Finding the Fourth Proportional to 72,032.20, 107,999.70 and 34,610.20

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Solution

The fourth proportional to 72,032.20, 107,999.70 and 34,610.20 is: 51,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,032.20 : 107,999.70 = 34,610.20 : x
  2. Step 2: Convert to fraction form
    72,032.20/107,999.70 = 34,610.20/x
  3. Step 3: Cross multiply
    72,032.20x = 107,999.70 × 34,610.20
  4. Step 4: Simplify right side
    72,032.20x = 3,737,891,216.94
  5. Step 5: Solve for x
    x = 3,737,891,216.94/72,032.20
  6. Step 6: Final answer
    x = 51,891.95

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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.