Home / 75,937.39-113,915.20-31,594.14

Finding the Fourth Proportional to 75,937.39, 113,915.20 and 31,594.14

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Solution

The fourth proportional to 75,937.39, 113,915.20 and 31,594.14 is: 47,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,937.39 : 113,915.20 = 31,594.14 : x
  2. Step 2: Convert to fraction form
    75,937.39/113,915.20 = 31,594.14/x
  3. Step 3: Cross multiply
    75,937.39x = 113,915.20 × 31,594.14
  4. Step 4: Simplify right side
    75,937.39x = 3,599,052,776.93
  5. Step 5: Solve for x
    x = 3,599,052,776.93/75,937.39
  6. Step 6: Final answer
    x = 47,395.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.