Home / 71,183.46-98,237.02-39,355.32

Finding the Fourth Proportional to 71,183.46, 98,237.02 and 39,355.32

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Solution

The fourth proportional to 71,183.46, 98,237.02 and 39,355.32 is: 54,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,183.46 : 98,237.02 = 39,355.32 : x
  2. Step 2: Convert to fraction form
    71,183.46/98,237.02 = 39,355.32/x
  3. Step 3: Cross multiply
    71,183.46x = 98,237.02 × 39,355.32
  4. Step 4: Simplify right side
    71,183.46x = 3,866,149,357.95
  5. Step 5: Solve for x
    x = 3,866,149,357.95/71,183.46
  6. Step 6: Final answer
    x = 54,312.47

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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.