Home / 55,108.88-82,650.90-15,665.12

Finding the Fourth Proportional to 55,108.88, 82,650.90 and 15,665.12

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Solution

The fourth proportional to 55,108.88, 82,650.90 and 15,665.12 is: 23,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.88 : 82,650.90 = 15,665.12 : x
  2. Step 2: Convert to fraction form
    55,108.88/82,650.90 = 15,665.12/x
  3. Step 3: Cross multiply
    55,108.88x = 82,650.90 × 15,665.12
  4. Step 4: Simplify right side
    55,108.88x = 1,294,736,266.61
  5. Step 5: Solve for x
    x = 1,294,736,266.61/55,108.88
  6. Step 6: Final answer
    x = 23,494.15

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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.