Home / 105,827.40-146,037.24-58,081.56

Finding the Fourth Proportional to 105,827.40, 146,037.24 and 58,081.56

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Solution

The fourth proportional to 105,827.40, 146,037.24 and 58,081.56 is: 80,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,827.40 : 146,037.24 = 58,081.56 : x
  2. Step 2: Convert to fraction form
    105,827.40/146,037.24 = 58,081.56/x
  3. Step 3: Cross multiply
    105,827.40x = 146,037.24 × 58,081.56
  4. Step 4: Simplify right side
    105,827.40x = 8,482,070,717.29
  5. Step 5: Solve for x
    x = 8,482,070,717.29/105,827.40
  6. Step 6: Final answer
    x = 80,150.04

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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.