Home / 82,108.54-113,309.70-44,382.79

Finding the Fourth Proportional to 82,108.54, 113,309.70 and 44,382.79

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Solution

The fourth proportional to 82,108.54, 113,309.70 and 44,382.79 is: 61,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,108.54 : 113,309.70 = 44,382.79 : x
  2. Step 2: Convert to fraction form
    82,108.54/113,309.70 = 44,382.79/x
  3. Step 3: Cross multiply
    82,108.54x = 113,309.70 × 44,382.79
  4. Step 4: Simplify right side
    82,108.54x = 5,029,000,053.51
  5. Step 5: Solve for x
    x = 5,029,000,053.51/82,108.54
  6. Step 6: Final answer
    x = 61,248.20

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1.5x scale

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.