Home / 55,633.48-76,729.52-48,904.80

Finding the Fourth Proportional to 55,633.48, 76,729.52 and 48,904.80

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Solution

The fourth proportional to 55,633.48, 76,729.52 and 48,904.80 is: 67,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633.48 : 76,729.52 = 48,904.80 : x
  2. Step 2: Convert to fraction form
    55,633.48/76,729.52 = 48,904.80/x
  3. Step 3: Cross multiply
    55,633.48x = 76,729.52 × 48,904.80
  4. Step 4: Simplify right side
    55,633.48x = 3,752,441,829.70
  5. Step 5: Solve for x
    x = 3,752,441,829.70/55,633.48
  6. Step 6: Final answer
    x = 67,449.35

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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.