Home / 99,601.77-137,446.97-54,278.84

Finding the Fourth Proportional to 99,601.77, 137,446.97 and 54,278.84

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Solution

The fourth proportional to 99,601.77, 137,446.97 and 54,278.84 is: 74,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,601.77 : 137,446.97 = 54,278.84 : x
  2. Step 2: Convert to fraction form
    99,601.77/137,446.97 = 54,278.84/x
  3. Step 3: Cross multiply
    99,601.77x = 137,446.97 × 54,278.84
  4. Step 4: Simplify right side
    99,601.77x = 7,460,461,134.49
  5. Step 5: Solve for x
    x = 7,460,461,134.49/99,601.77
  6. Step 6: Final answer
    x = 74,902.90

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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.