Home / 75,350.35-103,988.67-49,812.42

Finding the Fourth Proportional to 75,350.35, 103,988.67 and 49,812.42

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Solution

The fourth proportional to 75,350.35, 103,988.67 and 49,812.42 is: 68,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,350.35 : 103,988.67 = 49,812.42 : x
  2. Step 2: Convert to fraction form
    75,350.35/103,988.67 = 49,812.42/x
  3. Step 3: Cross multiply
    75,350.35x = 103,988.67 × 49,812.42
  4. Step 4: Simplify right side
    75,350.35x = 5,179,927,305.28
  5. Step 5: Solve for x
    x = 5,179,927,305.28/75,350.35
  6. Step 6: Final answer
    x = 68,744.57

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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.