Home / 48,380.60-66,885-47,937.26

Finding the Fourth Proportional to 48,380.60, 66,885 and 47,937.26

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Solution

The fourth proportional to 48,380.60, 66,885 and 47,937.26 is: 66,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,380.60 : 66,885 = 47,937.26 : x
  2. Step 2: Convert to fraction form
    48,380.60/66,885 = 47,937.26/x
  3. Step 3: Cross multiply
    48,380.60x = 66,885 × 47,937.26
  4. Step 4: Simplify right side
    48,380.60x = 3,206,283,635.10
  5. Step 5: Solve for x
    x = 3,206,283,635.10/48,380.60
  6. Step 6: Final answer
    x = 66,272.09

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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.