Home / 57,253.20-85,880.40-15,700.20

Finding the Fourth Proportional to 57,253.20, 85,880.40 and 15,700.20

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Solution

The fourth proportional to 57,253.20, 85,880.40 and 15,700.20 is: 23,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.20 : 85,880.40 = 15,700.20 : x
  2. Step 2: Convert to fraction form
    57,253.20/85,880.40 = 15,700.20/x
  3. Step 3: Cross multiply
    57,253.20x = 85,880.40 × 15,700.20
  4. Step 4: Simplify right side
    57,253.20x = 1,348,339,456.08
  5. Step 5: Solve for x
    x = 1,348,339,456.08/57,253.20
  6. Step 6: Final answer
    x = 23,550.46

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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.