Home / 87,899.47-131,838.73-22,979.59

Finding the Fourth Proportional to 87,899.47, 131,838.73 and 22,979.59

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Solution

The fourth proportional to 87,899.47, 131,838.73 and 22,979.59 is: 34,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,899.47 : 131,838.73 = 22,979.59 : x
  2. Step 2: Convert to fraction form
    87,899.47/131,838.73 = 22,979.59/x
  3. Step 3: Cross multiply
    87,899.47x = 131,838.73 × 22,979.59
  4. Step 4: Simplify right side
    87,899.47x = 3,029,599,574.47
  5. Step 5: Solve for x
    x = 3,029,599,574.47/87,899.47
  6. Step 6: Final answer
    x = 34,466.64

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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.