Home / 84,513.81-126,834.48-57,795.96

Finding the Fourth Proportional to 84,513.81, 126,834.48 and 57,795.96

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Solution

The fourth proportional to 84,513.81, 126,834.48 and 57,795.96 is: 86,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,513.81 : 126,834.48 = 57,795.96 : x
  2. Step 2: Convert to fraction form
    84,513.81/126,834.48 = 57,795.96/x
  3. Step 3: Cross multiply
    84,513.81x = 126,834.48 × 57,795.96
  4. Step 4: Simplify right side
    84,513.81x = 7,330,520,532.70
  5. Step 5: Solve for x
    x = 7,330,520,532.70/84,513.81
  6. Step 6: Final answer
    x = 86,737.55

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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.