Home / 80,937.30-111,689.37-44,645.07

Finding the Fourth Proportional to 80,937.30, 111,689.37 and 44,645.07

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Solution

The fourth proportional to 80,937.30, 111,689.37 and 44,645.07 is: 61,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,937.30 : 111,689.37 = 44,645.07 : x
  2. Step 2: Convert to fraction form
    80,937.30/111,689.37 = 44,645.07/x
  3. Step 3: Cross multiply
    80,937.30x = 111,689.37 × 44,645.07
  4. Step 4: Simplify right side
    80,937.30x = 4,986,379,741.91
  5. Step 5: Solve for x
    x = 4,986,379,741.91/80,937.30
  6. Step 6: Final answer
    x = 61,607.93

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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.