Home / 57,513.32-86,226.92-38,740.65

Finding the Fourth Proportional to 57,513.32, 86,226.92 and 38,740.65

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Solution

The fourth proportional to 57,513.32, 86,226.92 and 38,740.65 is: 58,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,513.32 : 86,226.92 = 38,740.65 : x
  2. Step 2: Convert to fraction form
    57,513.32/86,226.92 = 38,740.65/x
  3. Step 3: Cross multiply
    57,513.32x = 86,226.92 × 38,740.65
  4. Step 4: Simplify right side
    57,513.32x = 3,340,487,229.58
  5. Step 5: Solve for x
    x = 3,340,487,229.58/57,513.32
  6. Step 6: Final answer
    x = 58,081.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.