Home / 70,331.85-97,069.26-40,127.03

Finding the Fourth Proportional to 70,331.85, 97,069.26 and 40,127.03

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Solution

The fourth proportional to 70,331.85, 97,069.26 and 40,127.03 is: 55,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,331.85 : 97,069.26 = 40,127.03 : x
  2. Step 2: Convert to fraction form
    70,331.85/97,069.26 = 40,127.03/x
  3. Step 3: Cross multiply
    70,331.85x = 97,069.26 × 40,127.03
  4. Step 4: Simplify right side
    70,331.85x = 3,895,101,108.10
  5. Step 5: Solve for x
    x = 3,895,101,108.10/70,331.85
  6. Step 6: Final answer
    x = 55,381.75

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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.