Home / 91,279.76-125,964.68-50,994.10

Finding the Fourth Proportional to 91,279.76, 125,964.68 and 50,994.10

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Solution

The fourth proportional to 91,279.76, 125,964.68 and 50,994.10 is: 70,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,279.76 : 125,964.68 = 50,994.10 : x
  2. Step 2: Convert to fraction form
    91,279.76/125,964.68 = 50,994.10/x
  3. Step 3: Cross multiply
    91,279.76x = 125,964.68 × 50,994.10
  4. Step 4: Simplify right side
    91,279.76x = 6,423,455,488.39
  5. Step 5: Solve for x
    x = 6,423,455,488.39/91,279.76
  6. Step 6: Final answer
    x = 70,371.08

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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.