Home / 56,965.50-85,445.67-17,520.90

Finding the Fourth Proportional to 56,965.50, 85,445.67 and 17,520.90

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Solution

The fourth proportional to 56,965.50, 85,445.67 and 17,520.90 is: 26,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,965.50 : 85,445.67 = 17,520.90 : x
  2. Step 2: Convert to fraction form
    56,965.50/85,445.67 = 17,520.90/x
  3. Step 3: Cross multiply
    56,965.50x = 85,445.67 × 17,520.90
  4. Step 4: Simplify right side
    56,965.50x = 1,497,085,039.50
  5. Step 5: Solve for x
    x = 1,497,085,039.50/56,965.50
  6. Step 6: Final answer
    x = 26,280.56

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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.