Home / 67,871.41-93,647.50-39,184.85

Finding the Fourth Proportional to 67,871.41, 93,647.50 and 39,184.85

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Solution

The fourth proportional to 67,871.41, 93,647.50 and 39,184.85 is: 54,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871.41 : 93,647.50 = 39,184.85 : x
  2. Step 2: Convert to fraction form
    67,871.41/93,647.50 = 39,184.85/x
  3. Step 3: Cross multiply
    67,871.41x = 93,647.50 × 39,184.85
  4. Step 4: Simplify right side
    67,871.41x = 3,669,563,376.53
  5. Step 5: Solve for x
    x = 3,669,563,376.53/67,871.41
  6. Step 6: Final answer
    x = 54,066.41

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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.