Home / 83,898.60-125,667.36-39,458.76

Finding the Fourth Proportional to 83,898.60, 125,667.36 and 39,458.76

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Solution

The fourth proportional to 83,898.60, 125,667.36 and 39,458.76 is: 59,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,898.60 : 125,667.36 = 39,458.76 : x
  2. Step 2: Convert to fraction form
    83,898.60/125,667.36 = 39,458.76/x
  3. Step 3: Cross multiply
    83,898.60x = 125,667.36 × 39,458.76
  4. Step 4: Simplify right side
    83,898.60x = 4,958,678,198.07
  5. Step 5: Solve for x
    x = 4,958,678,198.07/83,898.60
  6. Step 6: Final answer
    x = 59,103.23

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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.