Home / 75,328.20-103,908.42-48,462.12

Finding the Fourth Proportional to 75,328.20, 103,908.42 and 48,462.12

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Solution

The fourth proportional to 75,328.20, 103,908.42 and 48,462.12 is: 66,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,328.20 : 103,908.42 = 48,462.12 : x
  2. Step 2: Convert to fraction form
    75,328.20/103,908.42 = 48,462.12/x
  3. Step 3: Cross multiply
    75,328.20x = 103,908.42 × 48,462.12
  4. Step 4: Simplify right side
    75,328.20x = 5,035,622,319.05
  5. Step 5: Solve for x
    x = 5,035,622,319.05/75,328.20
  6. Step 6: Final answer
    x = 66,849.10

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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.