Home / 62,451.20-86,180.90-34,156.28

Finding the Fourth Proportional to 62,451.20, 86,180.90 and 34,156.28

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Solution

The fourth proportional to 62,451.20, 86,180.90 and 34,156.28 is: 47,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,451.20 : 86,180.90 = 34,156.28 : x
  2. Step 2: Convert to fraction form
    62,451.20/86,180.90 = 34,156.28/x
  3. Step 3: Cross multiply
    62,451.20x = 86,180.90 × 34,156.28
  4. Step 4: Simplify right side
    62,451.20x = 2,943,618,995.72
  5. Step 5: Solve for x
    x = 2,943,618,995.72/62,451.20
  6. Step 6: Final answer
    x = 47,134.70

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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.