Home / 84,092.22-126,172-34,176.16

Finding the Fourth Proportional to 84,092.22, 126,172 and 34,176.16

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Solution

The fourth proportional to 84,092.22, 126,172 and 34,176.16 is: 51,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,092.22 : 126,172 = 34,176.16 : x
  2. Step 2: Convert to fraction form
    84,092.22/126,172 = 34,176.16/x
  3. Step 3: Cross multiply
    84,092.22x = 126,172 × 34,176.16
  4. Step 4: Simplify right side
    84,092.22x = 4,312,074,459.52
  5. Step 5: Solve for x
    x = 4,312,074,459.52/84,092.22
  6. Step 6: Final answer
    x = 51,277.92

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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.