Home / 84,267.27-126,419.74-31,677.21

Finding the Fourth Proportional to 84,267.27, 126,419.74 and 31,677.21

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Solution

The fourth proportional to 84,267.27, 126,419.74 and 31,677.21 is: 47,522.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,267.27 : 126,419.74 = 31,677.21 : x
  2. Step 2: Convert to fraction form
    84,267.27/126,419.74 = 31,677.21/x
  3. Step 3: Cross multiply
    84,267.27x = 126,419.74 × 31,677.21
  4. Step 4: Simplify right side
    84,267.27x = 4,004,624,572.93
  5. Step 5: Solve for x
    x = 4,004,624,572.93/84,267.27
  6. Step 6: Final answer
    x = 47,522.89

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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.