Home / 52,257.66-72,103.20-30,748.34

Finding the Fourth Proportional to 52,257.66, 72,103.20 and 30,748.34

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Solution

The fourth proportional to 52,257.66, 72,103.20 and 30,748.34 is: 42,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,257.66 : 72,103.20 = 30,748.34 : x
  2. Step 2: Convert to fraction form
    52,257.66/72,103.20 = 30,748.34/x
  3. Step 3: Cross multiply
    52,257.66x = 72,103.20 × 30,748.34
  4. Step 4: Simplify right side
    52,257.66x = 2,217,053,773.64
  5. Step 5: Solve for x
    x = 2,217,053,773.64/52,257.66
  6. Step 6: Final answer
    x = 42,425.43

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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.