Home / 82,170.40-113,395.15-44,444.65

Finding the Fourth Proportional to 82,170.40, 113,395.15 and 44,444.65

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Solution

The fourth proportional to 82,170.40, 113,395.15 and 44,444.65 is: 61,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,170.40 : 113,395.15 = 44,444.65 : x
  2. Step 2: Convert to fraction form
    82,170.40/113,395.15 = 44,444.65/x
  3. Step 3: Cross multiply
    82,170.40x = 113,395.15 × 44,444.65
  4. Step 4: Simplify right side
    82,170.40x = 5,039,807,753.45
  5. Step 5: Solve for x
    x = 5,039,807,753.45/82,170.40
  6. Step 6: Final answer
    x = 61,333.62

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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.