Home / 115,114.76-172,695.56-48,555.12

Finding the Fourth Proportional to 115,114.76, 172,695.56 and 48,555.12

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Solution

The fourth proportional to 115,114.76, 172,695.56 and 48,555.12 is: 72,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,114.76 : 172,695.56 = 48,555.12 : x
  2. Step 2: Convert to fraction form
    115,114.76/172,695.56 = 48,555.12/x
  3. Step 3: Cross multiply
    115,114.76x = 172,695.56 × 48,555.12
  4. Step 4: Simplify right side
    115,114.76x = 8,385,253,396.49
  5. Step 5: Solve for x
    x = 8,385,253,396.49/115,114.76
  6. Step 6: Final answer
    x = 72,842.56

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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.