Home / 52,143.55-71,953.67-29,479.39

Finding the Fourth Proportional to 52,143.55, 71,953.67 and 29,479.39

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Solution

The fourth proportional to 52,143.55, 71,953.67 and 29,479.39 is: 40,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143.55 : 71,953.67 = 29,479.39 : x
  2. Step 2: Convert to fraction form
    52,143.55/71,953.67 = 29,479.39/x
  3. Step 3: Cross multiply
    52,143.55x = 71,953.67 × 29,479.39
  4. Step 4: Simplify right side
    52,143.55x = 2,121,150,432.59
  5. Step 5: Solve for x
    x = 2,121,150,432.59/52,143.55
  6. Step 6: Final answer
    x = 40,679.06

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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.