Home / 80,501.18-111,086.64-44,689.05

Finding the Fourth Proportional to 80,501.18, 111,086.64 and 44,689.05

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Solution

The fourth proportional to 80,501.18, 111,086.64 and 44,689.05 is: 61,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,501.18 : 111,086.64 = 44,689.05 : x
  2. Step 2: Convert to fraction form
    80,501.18/111,086.64 = 44,689.05/x
  3. Step 3: Cross multiply
    80,501.18x = 111,086.64 × 44,689.05
  4. Step 4: Simplify right side
    80,501.18x = 4,964,356,409.29
  5. Step 5: Solve for x
    x = 4,964,356,409.29/80,501.18
  6. Step 6: Final answer
    x = 61,668.12

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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.