Home / 67,874.14-93,642.49-39,192.98

Finding the Fourth Proportional to 67,874.14, 93,642.49 and 39,192.98

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Solution

The fourth proportional to 67,874.14, 93,642.49 and 39,192.98 is: 54,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,874.14 : 93,642.49 = 39,192.98 : x
  2. Step 2: Convert to fraction form
    67,874.14/93,642.49 = 39,192.98/x
  3. Step 3: Cross multiply
    67,874.14x = 93,642.49 × 39,192.98
  4. Step 4: Simplify right side
    67,874.14x = 3,670,128,373.84
  5. Step 5: Solve for x
    x = 3,670,128,373.84/67,874.14
  6. Step 6: Final answer
    x = 54,072.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.