Home / 90,639.06-135,818.87-48,524.73

Finding the Fourth Proportional to 90,639.06, 135,818.87 and 48,524.73

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Solution

The fourth proportional to 90,639.06, 135,818.87 and 48,524.73 is: 72,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,639.06 : 135,818.87 = 48,524.73 : x
  2. Step 2: Convert to fraction form
    90,639.06/135,818.87 = 48,524.73/x
  3. Step 3: Cross multiply
    90,639.06x = 135,818.87 × 48,524.73
  4. Step 4: Simplify right side
    90,639.06x = 6,590,573,753.03
  5. Step 5: Solve for x
    x = 6,590,573,753.03/90,639.06
  6. Step 6: Final answer
    x = 72,712.29

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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.