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Finding the Fourth Proportional to 67,637.57, 93,377.41 and 40,786.88

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Solution

The fourth proportional to 67,637.57, 93,377.41 and 40,786.88 is: 56,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,637.57 : 93,377.41 = 40,786.88 : x
  2. Step 2: Convert to fraction form
    67,637.57/93,377.41 = 40,786.88/x
  3. Step 3: Cross multiply
    67,637.57x = 93,377.41 × 40,786.88
  4. Step 4: Simplify right side
    67,637.57x = 3,808,572,647.53
  5. Step 5: Solve for x
    x = 3,808,572,647.53/67,637.57
  6. Step 6: Final answer
    x = 56,308.54

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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.