Home / 55,419.06-76,475.14-32,760.15

Finding the Fourth Proportional to 55,419.06, 76,475.14 and 32,760.15

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Solution

The fourth proportional to 55,419.06, 76,475.14 and 32,760.15 is: 45,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.06 : 76,475.14 = 32,760.15 : x
  2. Step 2: Convert to fraction form
    55,419.06/76,475.14 = 32,760.15/x
  3. Step 3: Cross multiply
    55,419.06x = 76,475.14 × 32,760.15
  4. Step 4: Simplify right side
    55,419.06x = 2,505,337,057.67
  5. Step 5: Solve for x
    x = 2,505,337,057.67/55,419.06
  6. Step 6: Final answer
    x = 45,207.14

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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.