Home / 72,872.04-100,609.85-59,475.24

Finding the Fourth Proportional to 72,872.04, 100,609.85 and 59,475.24

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Solution

The fourth proportional to 72,872.04, 100,609.85 and 59,475.24 is: 82,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,872.04 : 100,609.85 = 59,475.24 : x
  2. Step 2: Convert to fraction form
    72,872.04/100,609.85 = 59,475.24/x
  3. Step 3: Cross multiply
    72,872.04x = 100,609.85 × 59,475.24
  4. Step 4: Simplify right side
    72,872.04x = 5,983,794,677.74
  5. Step 5: Solve for x
    x = 5,983,794,677.74/72,872.04
  6. Step 6: Final answer
    x = 82,113.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.