Home / 87,750.96-131,517.23-42,735.51

Finding the Fourth Proportional to 87,750.96, 131,517.23 and 42,735.51

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Solution

The fourth proportional to 87,750.96, 131,517.23 and 42,735.51 is: 64,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,750.96 : 131,517.23 = 42,735.51 : x
  2. Step 2: Convert to fraction form
    87,750.96/131,517.23 = 42,735.51/x
  3. Step 3: Cross multiply
    87,750.96x = 131,517.23 × 42,735.51
  4. Step 4: Simplify right side
    87,750.96x = 5,620,455,897.84
  5. Step 5: Solve for x
    x = 5,620,455,897.84/87,750.96
  6. Step 6: Final answer
    x = 64,050.08

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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.