Home / 87,719.04-131,556.64-34,421.84

Finding the Fourth Proportional to 87,719.04, 131,556.64 and 34,421.84

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Solution

The fourth proportional to 87,719.04, 131,556.64 and 34,421.84 is: 51,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,719.04 : 131,556.64 = 34,421.84 : x
  2. Step 2: Convert to fraction form
    87,719.04/131,556.64 = 34,421.84/x
  3. Step 3: Cross multiply
    87,719.04x = 131,556.64 × 34,421.84
  4. Step 4: Simplify right side
    87,719.04x = 4,528,421,613.02
  5. Step 5: Solve for x
    x = 4,528,421,613.02/87,719.04
  6. Step 6: Final answer
    x = 51,624.16

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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.