Home / 84,249.50-126,411.15-39,907.94

Finding the Fourth Proportional to 84,249.50, 126,411.15 and 39,907.94

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Solution

The fourth proportional to 84,249.50, 126,411.15 and 39,907.94 is: 59,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,249.50 : 126,411.15 = 39,907.94 : x
  2. Step 2: Convert to fraction form
    84,249.50/126,411.15 = 39,907.94/x
  3. Step 3: Cross multiply
    84,249.50x = 126,411.15 × 39,907.94
  4. Step 4: Simplify right side
    84,249.50x = 5,044,808,589.53
  5. Step 5: Solve for x
    x = 5,044,808,589.53/84,249.50
  6. Step 6: Final answer
    x = 59,879.39

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1.5x scale

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.