Home / 123,601.61-170,582.94-75,207.06

Finding the Fourth Proportional to 123,601.61, 170,582.94 and 75,207.06

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Solution

The fourth proportional to 123,601.61, 170,582.94 and 75,207.06 is: 103,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,601.61 : 170,582.94 = 75,207.06 : x
  2. Step 2: Convert to fraction form
    123,601.61/170,582.94 = 75,207.06/x
  3. Step 3: Cross multiply
    123,601.61x = 170,582.94 × 75,207.06
  4. Step 4: Simplify right side
    123,601.61x = 12,829,041,403.56
  5. Step 5: Solve for x
    x = 12,829,041,403.56/123,601.61
  6. Step 6: Final answer
    x = 103,793.48

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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.