Home / 72,221.02-108,340.77-22,306.19

Finding the Fourth Proportional to 72,221.02, 108,340.77 and 22,306.19

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Solution

The fourth proportional to 72,221.02, 108,340.77 and 22,306.19 is: 33,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,221.02 : 108,340.77 = 22,306.19 : x
  2. Step 2: Convert to fraction form
    72,221.02/108,340.77 = 22,306.19/x
  3. Step 3: Cross multiply
    72,221.02x = 108,340.77 × 22,306.19
  4. Step 4: Simplify right side
    72,221.02x = 2,416,669,342.31
  5. Step 5: Solve for x
    x = 2,416,669,342.31/72,221.02
  6. Step 6: Final answer
    x = 33,462.13

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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.