Home / 87,051.65-130,589.08-34,448.83

Finding the Fourth Proportional to 87,051.65, 130,589.08 and 34,448.83

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Solution

The fourth proportional to 87,051.65, 130,589.08 and 34,448.83 is: 51,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,051.65 : 130,589.08 = 34,448.83 : x
  2. Step 2: Convert to fraction form
    87,051.65/130,589.08 = 34,448.83/x
  3. Step 3: Cross multiply
    87,051.65x = 130,589.08 × 34,448.83
  4. Step 4: Simplify right side
    87,051.65x = 4,498,640,604.18
  5. Step 5: Solve for x
    x = 4,498,640,604.18/87,051.65
  6. Step 6: Final answer
    x = 51,677.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.