Home / 70,778.21-97,677.98-40,568.57

Finding the Fourth Proportional to 70,778.21, 97,677.98 and 40,568.57

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Solution

The fourth proportional to 70,778.21, 97,677.98 and 40,568.57 is: 55,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,778.21 : 97,677.98 = 40,568.57 : x
  2. Step 2: Convert to fraction form
    70,778.21/97,677.98 = 40,568.57/x
  3. Step 3: Cross multiply
    70,778.21x = 97,677.98 × 40,568.57
  4. Step 4: Simplify right side
    70,778.21x = 3,962,655,956.90
  5. Step 5: Solve for x
    x = 3,962,655,956.90/70,778.21
  6. Step 6: Final answer
    x = 55,986.95

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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.