Home / 55,118.56-76,060.40-29,967.84

Finding the Fourth Proportional to 55,118.56, 76,060.40 and 29,967.84

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Solution

The fourth proportional to 55,118.56, 76,060.40 and 29,967.84 is: 41,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118.56 : 76,060.40 = 29,967.84 : x
  2. Step 2: Convert to fraction form
    55,118.56/76,060.40 = 29,967.84/x
  3. Step 3: Cross multiply
    55,118.56x = 76,060.40 × 29,967.84
  4. Step 4: Simplify right side
    55,118.56x = 2,279,365,897.54
  5. Step 5: Solve for x
    x = 2,279,365,897.54/55,118.56
  6. Step 6: Final answer
    x = 41,353.87

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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.