Home / 89,048.68-122,885.56-48,761.70

Finding the Fourth Proportional to 89,048.68, 122,885.56 and 48,761.70

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Solution

The fourth proportional to 89,048.68, 122,885.56 and 48,761.70 is: 67,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.68 : 122,885.56 = 48,761.70 : x
  2. Step 2: Convert to fraction form
    89,048.68/122,885.56 = 48,761.70/x
  3. Step 3: Cross multiply
    89,048.68x = 122,885.56 × 48,761.70
  4. Step 4: Simplify right side
    89,048.68x = 5,992,108,811.05
  5. Step 5: Solve for x
    x = 5,992,108,811.05/89,048.68
  6. Step 6: Final answer
    x = 67,290.26

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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.