Home / 84,270.96-126,357.54-39,897.34

Finding the Fourth Proportional to 84,270.96, 126,357.54 and 39,897.34

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Solution

The fourth proportional to 84,270.96, 126,357.54 and 39,897.34 is: 59,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,270.96 : 126,357.54 = 39,897.34 : x
  2. Step 2: Convert to fraction form
    84,270.96/126,357.54 = 39,897.34/x
  3. Step 3: Cross multiply
    84,270.96x = 126,357.54 × 39,897.34
  4. Step 4: Simplify right side
    84,270.96x = 5,041,329,269.43
  5. Step 5: Solve for x
    x = 5,041,329,269.43/84,270.96
  6. Step 6: Final answer
    x = 59,822.85

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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.