Home / 84,335.03-126,524.45-25,170.69

Finding the Fourth Proportional to 84,335.03, 126,524.45 and 25,170.69

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Solution

The fourth proportional to 84,335.03, 126,524.45 and 25,170.69 is: 37,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,335.03 : 126,524.45 = 25,170.69 : x
  2. Step 2: Convert to fraction form
    84,335.03/126,524.45 = 25,170.69/x
  3. Step 3: Cross multiply
    84,335.03x = 126,524.45 × 25,170.69
  4. Step 4: Simplify right side
    84,335.03x = 3,184,707,582.52
  5. Step 5: Solve for x
    x = 3,184,707,582.52/84,335.03
  6. Step 6: Final answer
    x = 37,762.57

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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.