Home / 75,283.26-103,887.78-45,050.73

Finding the Fourth Proportional to 75,283.26, 103,887.78 and 45,050.73

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Solution

The fourth proportional to 75,283.26, 103,887.78 and 45,050.73 is: 62,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,283.26 : 103,887.78 = 45,050.73 : x
  2. Step 2: Convert to fraction form
    75,283.26/103,887.78 = 45,050.73/x
  3. Step 3: Cross multiply
    75,283.26x = 103,887.78 × 45,050.73
  4. Step 4: Simplify right side
    75,283.26x = 4,680,220,327.08
  5. Step 5: Solve for x
    x = 4,680,220,327.08/75,283.26
  6. Step 6: Final answer
    x = 62,168.14

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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.