Home / 79,712.11-119,486.15-35,359.75

Finding the Fourth Proportional to 79,712.11, 119,486.15 and 35,359.75

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Solution

The fourth proportional to 79,712.11, 119,486.15 and 35,359.75 is: 53,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,712.11 : 119,486.15 = 35,359.75 : x
  2. Step 2: Convert to fraction form
    79,712.11/119,486.15 = 35,359.75/x
  3. Step 3: Cross multiply
    79,712.11x = 119,486.15 × 35,359.75
  4. Step 4: Simplify right side
    79,712.11x = 4,225,000,392.46
  5. Step 5: Solve for x
    x = 4,225,000,392.46/79,712.11
  6. Step 6: Final answer
    x = 53,003.24

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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.