Home / 57,514.80-86,272.20-55,005.60

Finding the Fourth Proportional to 57,514.80, 86,272.20 and 55,005.60

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Solution

The fourth proportional to 57,514.80, 86,272.20 and 55,005.60 is: 82,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,514.80 : 86,272.20 = 55,005.60 : x
  2. Step 2: Convert to fraction form
    57,514.80/86,272.20 = 55,005.60/x
  3. Step 3: Cross multiply
    57,514.80x = 86,272.20 × 55,005.60
  4. Step 4: Simplify right side
    57,514.80x = 4,745,454,124.32
  5. Step 5: Solve for x
    x = 4,745,454,124.32/57,514.80
  6. Step 6: Final answer
    x = 82,508.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.