Home / 80,966.49-111,731.01-44,669.39

Finding the Fourth Proportional to 80,966.49, 111,731.01 and 44,669.39

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Solution

The fourth proportional to 80,966.49, 111,731.01 and 44,669.39 is: 61,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,966.49 : 111,731.01 = 44,669.39 : x
  2. Step 2: Convert to fraction form
    80,966.49/111,731.01 = 44,669.39/x
  3. Step 3: Cross multiply
    80,966.49x = 111,731.01 × 44,669.39
  4. Step 4: Simplify right side
    80,966.49x = 4,990,955,502.13
  5. Step 5: Solve for x
    x = 4,990,955,502.13/80,966.49
  6. Step 6: Final answer
    x = 61,642.24

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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.