Home / 87,070.68-130,578.62-33,758.91

Finding the Fourth Proportional to 87,070.68, 130,578.62 and 33,758.91

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Solution

The fourth proportional to 87,070.68, 130,578.62 and 33,758.91 is: 50,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,070.68 : 130,578.62 = 33,758.91 : x
  2. Step 2: Convert to fraction form
    87,070.68/130,578.62 = 33,758.91/x
  3. Step 3: Cross multiply
    87,070.68x = 130,578.62 × 33,758.91
  4. Step 4: Simplify right side
    87,070.68x = 4,408,191,711.71
  5. Step 5: Solve for x
    x = 4,408,191,711.71/87,070.68
  6. Step 6: Final answer
    x = 50,627.74

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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.