Home / 82,174.42-113,402.20-48,207.28

Finding the Fourth Proportional to 82,174.42, 113,402.20 and 48,207.28

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Solution

The fourth proportional to 82,174.42, 113,402.20 and 48,207.28 is: 66,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,174.42 : 113,402.20 = 48,207.28 : x
  2. Step 2: Convert to fraction form
    82,174.42/113,402.20 = 48,207.28/x
  3. Step 3: Cross multiply
    82,174.42x = 113,402.20 × 48,207.28
  4. Step 4: Simplify right side
    82,174.42x = 5,466,811,608.02
  5. Step 5: Solve for x
    x = 5,466,811,608.02/82,174.42
  6. Step 6: Final answer
    x = 66,526.93

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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.