Home / 57,063.20-85,643.40-25,521.80

Finding the Fourth Proportional to 57,063.20, 85,643.40 and 25,521.80

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Solution

The fourth proportional to 57,063.20, 85,643.40 and 25,521.80 is: 38,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,063.20 : 85,643.40 = 25,521.80 : x
  2. Step 2: Convert to fraction form
    57,063.20/85,643.40 = 25,521.80/x
  3. Step 3: Cross multiply
    57,063.20x = 85,643.40 × 25,521.80
  4. Step 4: Simplify right side
    57,063.20x = 2,185,773,726.12
  5. Step 5: Solve for x
    x = 2,185,773,726.12/57,063.20
  6. Step 6: Final answer
    x = 38,304.44

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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.