Home / 71,190.24-98,239.92-40,980.24

Finding the Fourth Proportional to 71,190.24, 98,239.92 and 40,980.24

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Solution

The fourth proportional to 71,190.24, 98,239.92 and 40,980.24 is: 56,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,190.24 : 98,239.92 = 40,980.24 : x
  2. Step 2: Convert to fraction form
    71,190.24/98,239.92 = 40,980.24/x
  3. Step 3: Cross multiply
    71,190.24x = 98,239.92 × 40,980.24
  4. Step 4: Simplify right side
    71,190.24x = 4,025,895,499.18
  5. Step 5: Solve for x
    x = 4,025,895,499.18/71,190.24
  6. Step 6: Final answer
    x = 56,551.23

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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.