Home / 84,499.29-126,496.40-51,118.47

Finding the Fourth Proportional to 84,499.29, 126,496.40 and 51,118.47

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Solution

The fourth proportional to 84,499.29, 126,496.40 and 51,118.47 is: 76,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,499.29 : 126,496.40 = 51,118.47 : x
  2. Step 2: Convert to fraction form
    84,499.29/126,496.40 = 51,118.47/x
  3. Step 3: Cross multiply
    84,499.29x = 126,496.40 × 51,118.47
  4. Step 4: Simplify right side
    84,499.29x = 6,466,302,172.92
  5. Step 5: Solve for x
    x = 6,466,302,172.92/84,499.29
  6. Step 6: Final answer
    x = 76,524.93

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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.