Home / 87,348.62-120,541.48-49,624.94

Finding the Fourth Proportional to 87,348.62, 120,541.48 and 49,624.94

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Solution

The fourth proportional to 87,348.62, 120,541.48 and 49,624.94 is: 68,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,348.62 : 120,541.48 = 49,624.94 : x
  2. Step 2: Convert to fraction form
    87,348.62/120,541.48 = 49,624.94/x
  3. Step 3: Cross multiply
    87,348.62x = 120,541.48 × 49,624.94
  4. Step 4: Simplify right side
    87,348.62x = 5,981,863,712.51
  5. Step 5: Solve for x
    x = 5,981,863,712.51/87,348.62
  6. Step 6: Final answer
    x = 68,482.64

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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.