Home / 115,082.19-172,519.40-48,526.31

Finding the Fourth Proportional to 115,082.19, 172,519.40 and 48,526.31

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Solution

The fourth proportional to 115,082.19, 172,519.40 and 48,526.31 is: 72,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,082.19 : 172,519.40 = 48,526.31 : x
  2. Step 2: Convert to fraction form
    115,082.19/172,519.40 = 48,526.31/x
  3. Step 3: Cross multiply
    115,082.19x = 172,519.40 × 48,526.31
  4. Step 4: Simplify right side
    115,082.19x = 8,371,730,438.03
  5. Step 5: Solve for x
    x = 8,371,730,438.03/115,082.19
  6. Step 6: Final answer
    x = 72,745.66

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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.