Home / 67,915.33-93,732.90-40,692.49

Finding the Fourth Proportional to 67,915.33, 93,732.90 and 40,692.49

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Solution

The fourth proportional to 67,915.33, 93,732.90 and 40,692.49 is: 56,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,915.33 : 93,732.90 = 40,692.49 : x
  2. Step 2: Convert to fraction form
    67,915.33/93,732.90 = 40,692.49/x
  3. Step 3: Cross multiply
    67,915.33x = 93,732.90 × 40,692.49
  4. Step 4: Simplify right side
    67,915.33x = 3,814,224,423.79
  5. Step 5: Solve for x
    x = 3,814,224,423.79/67,915.33
  6. Step 6: Final answer
    x = 56,161.47

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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.