Home / 70,379.10-97,124.72-40,163.82

Finding the Fourth Proportional to 70,379.10, 97,124.72 and 40,163.82

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Solution

The fourth proportional to 70,379.10, 97,124.72 and 40,163.82 is: 55,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,379.10 : 97,124.72 = 40,163.82 : x
  2. Step 2: Convert to fraction form
    70,379.10/97,124.72 = 40,163.82/x
  3. Step 3: Cross multiply
    70,379.10x = 97,124.72 × 40,163.82
  4. Step 4: Simplify right side
    70,379.10x = 3,900,899,771.63
  5. Step 5: Solve for x
    x = 3,900,899,771.63/70,379.10
  6. Step 6: Final answer
    x = 55,426.96

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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.