Home / 89,105.90-122,965.80-48,822.18

Finding the Fourth Proportional to 89,105.90, 122,965.80 and 48,822.18

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Solution

The fourth proportional to 89,105.90, 122,965.80 and 48,822.18 is: 67,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,105.90 : 122,965.80 = 48,822.18 : x
  2. Step 2: Convert to fraction form
    89,105.90/122,965.80 = 48,822.18/x
  3. Step 3: Cross multiply
    89,105.90x = 122,965.80 × 48,822.18
  4. Step 4: Simplify right side
    89,105.90x = 6,003,458,421.44
  5. Step 5: Solve for x
    x = 6,003,458,421.44/89,105.90
  6. Step 6: Final answer
    x = 67,374.42

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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.