Home / 82,421.12-113,741.04-44,695.28

Finding the Fourth Proportional to 82,421.12, 113,741.04 and 44,695.28

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Solution

The fourth proportional to 82,421.12, 113,741.04 and 44,695.28 is: 61,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,421.12 : 113,741.04 = 44,695.28 : x
  2. Step 2: Convert to fraction form
    82,421.12/113,741.04 = 44,695.28/x
  3. Step 3: Cross multiply
    82,421.12x = 113,741.04 × 44,695.28
  4. Step 4: Simplify right side
    82,421.12x = 5,083,687,630.29
  5. Step 5: Solve for x
    x = 5,083,687,630.29/82,421.12
  6. Step 6: Final answer
    x = 61,679.43

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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.