Home / 48,156.96-72,278.88-28,453.44

Finding the Fourth Proportional to 48,156.96, 72,278.88 and 28,453.44

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Solution

The fourth proportional to 48,156.96, 72,278.88 and 28,453.44 is: 42,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,156.96 : 72,278.88 = 28,453.44 : x
  2. Step 2: Convert to fraction form
    48,156.96/72,278.88 = 28,453.44/x
  3. Step 3: Cross multiply
    48,156.96x = 72,278.88 × 28,453.44
  4. Step 4: Simplify right side
    48,156.96x = 2,056,582,775.35
  5. Step 5: Solve for x
    x = 2,056,582,775.35/48,156.96
  6. Step 6: Final answer
    x = 42,705.83

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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.