Home / 99,601.84-137,446.52-54,278.86

Finding the Fourth Proportional to 99,601.84, 137,446.52 and 54,278.86

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Solution

The fourth proportional to 99,601.84, 137,446.52 and 54,278.86 is: 74,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,601.84 : 137,446.52 = 54,278.86 : x
  2. Step 2: Convert to fraction form
    99,601.84/137,446.52 = 54,278.86/x
  3. Step 3: Cross multiply
    99,601.84x = 137,446.52 × 54,278.86
  4. Step 4: Simplify right side
    99,601.84x = 7,460,440,416.57
  5. Step 5: Solve for x
    x = 7,460,440,416.57/99,601.84
  6. Step 6: Final answer
    x = 74,902.64

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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.