Home / 99,123.06-136,832.45-60,888.84

Finding the Fourth Proportional to 99,123.06, 136,832.45 and 60,888.84

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Solution

The fourth proportional to 99,123.06, 136,832.45 and 60,888.84 is: 84,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,123.06 : 136,832.45 = 60,888.84 : x
  2. Step 2: Convert to fraction form
    99,123.06/136,832.45 = 60,888.84/x
  3. Step 3: Cross multiply
    99,123.06x = 136,832.45 × 60,888.84
  4. Step 4: Simplify right side
    99,123.06x = 8,331,568,850.41
  5. Step 5: Solve for x
    x = 8,331,568,850.41/99,123.06
  6. Step 6: Final answer
    x = 84,052.78

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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.