Home / 79,306.92-109,443.30-45,325.95

Finding the Fourth Proportional to 79,306.92, 109,443.30 and 45,325.95

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Solution

The fourth proportional to 79,306.92, 109,443.30 and 45,325.95 is: 62,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,306.92 : 109,443.30 = 45,325.95 : x
  2. Step 2: Convert to fraction form
    79,306.92/109,443.30 = 45,325.95/x
  3. Step 3: Cross multiply
    79,306.92x = 109,443.30 × 45,325.95
  4. Step 4: Simplify right side
    79,306.92x = 4,960,621,543.64
  5. Step 5: Solve for x
    x = 4,960,621,543.64/79,306.92
  6. Step 6: Final answer
    x = 62,549.67

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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.