Home / 55,240.85-76,261.23-43,115.29

Finding the Fourth Proportional to 55,240.85, 76,261.23 and 43,115.29

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Solution

The fourth proportional to 55,240.85, 76,261.23 and 43,115.29 is: 59,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,240.85 : 76,261.23 = 43,115.29 : x
  2. Step 2: Convert to fraction form
    55,240.85/76,261.23 = 43,115.29/x
  3. Step 3: Cross multiply
    55,240.85x = 76,261.23 × 43,115.29
  4. Step 4: Simplify right side
    55,240.85x = 3,288,024,856.55
  5. Step 5: Solve for x
    x = 3,288,024,856.55/55,240.85
  6. Step 6: Final answer
    x = 59,521.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.