Home / 51,531.66-71,108.91-29,175.66

Finding the Fourth Proportional to 51,531.66, 71,108.91 and 29,175.66

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Solution

The fourth proportional to 51,531.66, 71,108.91 and 29,175.66 is: 40,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,531.66 : 71,108.91 = 29,175.66 : x
  2. Step 2: Convert to fraction form
    51,531.66/71,108.91 = 29,175.66/x
  3. Step 3: Cross multiply
    51,531.66x = 71,108.91 × 29,175.66
  4. Step 4: Simplify right side
    51,531.66x = 2,074,649,381.13
  5. Step 5: Solve for x
    x = 2,074,649,381.13/51,531.66
  6. Step 6: Final answer
    x = 40,259.70

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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.