Home / 84,350.42-126,521.30-25,186.58

Finding the Fourth Proportional to 84,350.42, 126,521.30 and 25,186.58

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Solution

The fourth proportional to 84,350.42, 126,521.30 and 25,186.58 is: 37,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,350.42 : 126,521.30 = 25,186.58 : x
  2. Step 2: Convert to fraction form
    84,350.42/126,521.30 = 25,186.58/x
  3. Step 3: Cross multiply
    84,350.42x = 126,521.30 × 25,186.58
  4. Step 4: Simplify right side
    84,350.42x = 3,186,638,844.15
  5. Step 5: Solve for x
    x = 3,186,638,844.15/84,350.42
  6. Step 6: Final answer
    x = 37,778.58

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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.