Home / 55,188.30-76,156.11-30,037.26

Finding the Fourth Proportional to 55,188.30, 76,156.11 and 30,037.26

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Solution

The fourth proportional to 55,188.30, 76,156.11 and 30,037.26 is: 41,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.30 : 76,156.11 = 30,037.26 : x
  2. Step 2: Convert to fraction form
    55,188.30/76,156.11 = 30,037.26/x
  3. Step 3: Cross multiply
    55,188.30x = 76,156.11 × 30,037.26
  4. Step 4: Simplify right side
    55,188.30x = 2,287,520,876.66
  5. Step 5: Solve for x
    x = 2,287,520,876.66/55,188.30
  6. Step 6: Final answer
    x = 41,449.38

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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.