Home / 55,635.48-76,732.28-48,906.80

Finding the Fourth Proportional to 55,635.48, 76,732.28 and 48,906.80

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Solution

The fourth proportional to 55,635.48, 76,732.28 and 48,906.80 is: 67,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,635.48 : 76,732.28 = 48,906.80 : x
  2. Step 2: Convert to fraction form
    55,635.48/76,732.28 = 48,906.80/x
  3. Step 3: Cross multiply
    55,635.48x = 76,732.28 × 48,906.80
  4. Step 4: Simplify right side
    55,635.48x = 3,752,730,271.50
  5. Step 5: Solve for x
    x = 3,752,730,271.50/55,635.48
  6. Step 6: Final answer
    x = 67,452.11

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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.