Home / 75,433.62-104,117.22-43,620.87

Finding the Fourth Proportional to 75,433.62, 104,117.22 and 43,620.87

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Solution

The fourth proportional to 75,433.62, 104,117.22 and 43,620.87 is: 60,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,433.62 : 104,117.22 = 43,620.87 : x
  2. Step 2: Convert to fraction form
    75,433.62/104,117.22 = 43,620.87/x
  3. Step 3: Cross multiply
    75,433.62x = 104,117.22 × 43,620.87
  4. Step 4: Simplify right side
    75,433.62x = 4,541,683,718.38
  5. Step 5: Solve for x
    x = 4,541,683,718.38/75,433.62
  6. Step 6: Final answer
    x = 60,207.69

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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.