Home / 108,734.32-150,072.24-63,438.76

Finding the Fourth Proportional to 108,734.32, 150,072.24 and 63,438.76

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Solution

The fourth proportional to 108,734.32, 150,072.24 and 63,438.76 is: 87,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,734.32 : 150,072.24 = 63,438.76 : x
  2. Step 2: Convert to fraction form
    108,734.32/150,072.24 = 63,438.76/x
  3. Step 3: Cross multiply
    108,734.32x = 150,072.24 × 63,438.76
  4. Step 4: Simplify right side
    108,734.32x = 9,520,396,816.02
  5. Step 5: Solve for x
    x = 9,520,396,816.02/108,734.32
  6. Step 6: Final answer
    x = 87,556.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.