Home / 75,621.40-113,432.10-52,001.80

Finding the Fourth Proportional to 75,621.40, 113,432.10 and 52,001.80

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Solution

The fourth proportional to 75,621.40, 113,432.10 and 52,001.80 is: 78,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.40 : 113,432.10 = 52,001.80 : x
  2. Step 2: Convert to fraction form
    75,621.40/113,432.10 = 52,001.80/x
  3. Step 3: Cross multiply
    75,621.40x = 113,432.10 × 52,001.80
  4. Step 4: Simplify right side
    75,621.40x = 5,898,673,377.78
  5. Step 5: Solve for x
    x = 5,898,673,377.78/75,621.40
  6. Step 6: Final answer
    x = 78,002.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.