Home / 84,556.34-126,835.75-40,187.62

Finding the Fourth Proportional to 84,556.34, 126,835.75 and 40,187.62

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Solution

The fourth proportional to 84,556.34, 126,835.75 and 40,187.62 is: 60,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,556.34 : 126,835.75 = 40,187.62 : x
  2. Step 2: Convert to fraction form
    84,556.34/126,835.75 = 40,187.62/x
  3. Step 3: Cross multiply
    84,556.34x = 126,835.75 × 40,187.62
  4. Step 4: Simplify right side
    84,556.34x = 5,097,226,923.42
  5. Step 5: Solve for x
    x = 5,097,226,923.42/84,556.34
  6. Step 6: Final answer
    x = 60,282.02

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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.