Home / 60,129.22-82,972.67-40,708.63

Finding the Fourth Proportional to 60,129.22, 82,972.67 and 40,708.63

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Solution

The fourth proportional to 60,129.22, 82,972.67 and 40,708.63 is: 56,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,129.22 : 82,972.67 = 40,708.63 : x
  2. Step 2: Convert to fraction form
    60,129.22/82,972.67 = 40,708.63/x
  3. Step 3: Cross multiply
    60,129.22x = 82,972.67 × 40,708.63
  4. Step 4: Simplify right side
    60,129.22x = 3,377,703,723.14
  5. Step 5: Solve for x
    x = 3,377,703,723.14/60,129.22
  6. Step 6: Final answer
    x = 56,174.08

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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.