Home / 87,673.52-131,603.88-37,778.24

Finding the Fourth Proportional to 87,673.52, 131,603.88 and 37,778.24

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Solution

The fourth proportional to 87,673.52, 131,603.88 and 37,778.24 is: 56,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,673.52 : 131,603.88 = 37,778.24 : x
  2. Step 2: Convert to fraction form
    87,673.52/131,603.88 = 37,778.24/x
  3. Step 3: Cross multiply
    87,673.52x = 131,603.88 × 37,778.24
  4. Step 4: Simplify right side
    87,673.52x = 4,971,762,963.57
  5. Step 5: Solve for x
    x = 4,971,762,963.57/87,673.52
  6. Step 6: Final answer
    x = 56,707.69

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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.