Home / 56,928.60-85,392.90-38,266.20

Finding the Fourth Proportional to 56,928.60, 85,392.90 and 38,266.20

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Solution

The fourth proportional to 56,928.60, 85,392.90 and 38,266.20 is: 57,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,928.60 : 85,392.90 = 38,266.20 : x
  2. Step 2: Convert to fraction form
    56,928.60/85,392.90 = 38,266.20/x
  3. Step 3: Cross multiply
    56,928.60x = 85,392.90 × 38,266.20
  4. Step 4: Simplify right side
    56,928.60x = 3,267,661,789.98
  5. Step 5: Solve for x
    x = 3,267,661,789.98/56,928.60
  6. Step 6: Final answer
    x = 57,399.30

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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.