Home / 75,286.32-103,894.40-41,294.10

Finding the Fourth Proportional to 75,286.32, 103,894.40 and 41,294.10

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Solution

The fourth proportional to 75,286.32, 103,894.40 and 41,294.10 is: 56,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,286.32 : 103,894.40 = 41,294.10 : x
  2. Step 2: Convert to fraction form
    75,286.32/103,894.40 = 41,294.10/x
  3. Step 3: Cross multiply
    75,286.32x = 103,894.40 × 41,294.10
  4. Step 4: Simplify right side
    75,286.32x = 4,290,225,743.04
  5. Step 5: Solve for x
    x = 4,290,225,743.04/75,286.32
  6. Step 6: Final answer
    x = 56,985.46

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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.