Home / 72,235.24-108,358.44-22,315.12

Finding the Fourth Proportional to 72,235.24, 108,358.44 and 22,315.12

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Solution

The fourth proportional to 72,235.24, 108,358.44 and 22,315.12 is: 33,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,235.24 : 108,358.44 = 22,315.12 : x
  2. Step 2: Convert to fraction form
    72,235.24/108,358.44 = 22,315.12/x
  3. Step 3: Cross multiply
    72,235.24x = 108,358.44 × 22,315.12
  4. Step 4: Simplify right side
    72,235.24x = 2,418,031,591.61
  5. Step 5: Solve for x
    x = 2,418,031,591.61/72,235.24
  6. Step 6: Final answer
    x = 33,474.40

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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.