Home / 74,850.75-103,294.26-43,017.57

Finding the Fourth Proportional to 74,850.75, 103,294.26 and 43,017.57

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Solution

The fourth proportional to 74,850.75, 103,294.26 and 43,017.57 is: 59,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,850.75 : 103,294.26 = 43,017.57 : x
  2. Step 2: Convert to fraction form
    74,850.75/103,294.26 = 43,017.57/x
  3. Step 3: Cross multiply
    74,850.75x = 103,294.26 × 43,017.57
  4. Step 4: Simplify right side
    74,850.75x = 4,443,468,060.15
  5. Step 5: Solve for x
    x = 4,443,468,060.15/74,850.75
  6. Step 6: Final answer
    x = 59,364.38

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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.