Home / 56,937.38-85,458.15-28,876.80

Finding the Fourth Proportional to 56,937.38, 85,458.15 and 28,876.80

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Solution

The fourth proportional to 56,937.38, 85,458.15 and 28,876.80 is: 43,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.38 : 85,458.15 = 28,876.80 : x
  2. Step 2: Convert to fraction form
    56,937.38/85,458.15 = 28,876.80/x
  3. Step 3: Cross multiply
    56,937.38x = 85,458.15 × 28,876.80
  4. Step 4: Simplify right side
    56,937.38x = 2,467,757,905.92
  5. Step 5: Solve for x
    x = 2,467,757,905.92/56,937.38
  6. Step 6: Final answer
    x = 43,341.62

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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.