Home / 61,375.22-84,330.75-48,778.10

Finding the Fourth Proportional to 61,375.22, 84,330.75 and 48,778.10

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Solution

The fourth proportional to 61,375.22, 84,330.75 and 48,778.10 is: 67,022.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,375.22 : 84,330.75 = 48,778.10 : x
  2. Step 2: Convert to fraction form
    61,375.22/84,330.75 = 48,778.10/x
  3. Step 3: Cross multiply
    61,375.22x = 84,330.75 × 48,778.10
  4. Step 4: Simplify right side
    61,375.22x = 4,113,493,756.58
  5. Step 5: Solve for x
    x = 4,113,493,756.58/61,375.22
  6. Step 6: Final answer
    x = 67,022.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.