Home / 82,110.27-113,313-48,138.87

Finding the Fourth Proportional to 82,110.27, 113,313 and 48,138.87

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Solution

The fourth proportional to 82,110.27, 113,313 and 48,138.87 is: 66,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,110.27 : 113,313 = 48,138.87 : x
  2. Step 2: Convert to fraction form
    82,110.27/113,313 = 48,138.87/x
  3. Step 3: Cross multiply
    82,110.27x = 113,313 × 48,138.87
  4. Step 4: Simplify right side
    82,110.27x = 5,454,759,776.31
  5. Step 5: Solve for x
    x = 5,454,759,776.31/82,110.27
  6. Step 6: Final answer
    x = 66,432.13

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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.