Home / 87,329.19-130,993.75-37,376.89

Finding the Fourth Proportional to 87,329.19, 130,993.75 and 37,376.89

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Solution

The fourth proportional to 87,329.19, 130,993.75 and 37,376.89 is: 56,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,329.19 : 130,993.75 = 37,376.89 : x
  2. Step 2: Convert to fraction form
    87,329.19/130,993.75 = 37,376.89/x
  3. Step 3: Cross multiply
    87,329.19x = 130,993.75 × 37,376.89
  4. Step 4: Simplify right side
    87,329.19x = 4,896,138,984.44
  5. Step 5: Solve for x
    x = 4,896,138,984.44/87,329.19
  6. Step 6: Final answer
    x = 56,065.32

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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.