Home / 84,269.08-126,421.85-25,109.52

Finding the Fourth Proportional to 84,269.08, 126,421.85 and 25,109.52

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Solution

The fourth proportional to 84,269.08, 126,421.85 and 25,109.52 is: 37,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,269.08 : 126,421.85 = 25,109.52 : x
  2. Step 2: Convert to fraction form
    84,269.08/126,421.85 = 25,109.52/x
  3. Step 3: Cross multiply
    84,269.08x = 126,421.85 × 25,109.52
  4. Step 4: Simplify right side
    84,269.08x = 3,174,391,971.01
  5. Step 5: Solve for x
    x = 3,174,391,971.01/84,269.08
  6. Step 6: Final answer
    x = 37,669.71

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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.