Home / 67,748.76-93,496.77-40,890.90

Finding the Fourth Proportional to 67,748.76, 93,496.77 and 40,890.90

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Solution

The fourth proportional to 67,748.76, 93,496.77 and 40,890.90 is: 56,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,748.76 : 93,496.77 = 40,890.90 : x
  2. Step 2: Convert to fraction form
    67,748.76/93,496.77 = 40,890.90/x
  3. Step 3: Cross multiply
    67,748.76x = 93,496.77 × 40,890.90
  4. Step 4: Simplify right side
    67,748.76x = 3,823,167,072.39
  5. Step 5: Solve for x
    x = 3,823,167,072.39/67,748.76
  6. Step 6: Final answer
    x = 56,431.54

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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.