Home / 57,162.32-78,886.80-34,500.92

Finding the Fourth Proportional to 57,162.32, 78,886.80 and 34,500.92

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Solution

The fourth proportional to 57,162.32, 78,886.80 and 34,500.92 is: 47,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,162.32 : 78,886.80 = 34,500.92 : x
  2. Step 2: Convert to fraction form
    57,162.32/78,886.80 = 34,500.92/x
  3. Step 3: Cross multiply
    57,162.32x = 78,886.80 × 34,500.92
  4. Step 4: Simplify right side
    57,162.32x = 2,721,667,175.86
  5. Step 5: Solve for x
    x = 2,721,667,175.86/57,162.32
  6. Step 6: Final answer
    x = 47,612.96

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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.