Home / 79,166.16-118,749.24-32,400

Finding the Fourth Proportional to 79,166.16, 118,749.24 and 32,400

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Solution

The fourth proportional to 79,166.16, 118,749.24 and 32,400 is: 48,600

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.16 : 118,749.24 = 32,400 : x
  2. Step 2: Convert to fraction form
    79,166.16/118,749.24 = 32,400/x
  3. Step 3: Cross multiply
    79,166.16x = 118,749.24 × 32,400
  4. Step 4: Simplify right side
    79,166.16x = 3,847,475,376
  5. Step 5: Solve for x
    x = 3,847,475,376/79,166.16
  6. Step 6: Final answer
    x = 48,600

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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.