Home / 87,907.50-131,867.34-35,316.94

Finding the Fourth Proportional to 87,907.50, 131,867.34 and 35,316.94

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Solution

The fourth proportional to 87,907.50, 131,867.34 and 35,316.94 is: 52,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,907.50 : 131,867.34 = 35,316.94 : x
  2. Step 2: Convert to fraction form
    87,907.50/131,867.34 = 35,316.94/x
  3. Step 3: Cross multiply
    87,907.50x = 131,867.34 × 35,316.94
  4. Step 4: Simplify right side
    87,907.50x = 4,657,150,934.74
  5. Step 5: Solve for x
    x = 4,657,150,934.74/87,907.50
  6. Step 6: Final answer
    x = 52,977.86

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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.