Home / 71,183.16-98,237.34-39,352.32

Finding the Fourth Proportional to 71,183.16, 98,237.34 and 39,352.32

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Solution

The fourth proportional to 71,183.16, 98,237.34 and 39,352.32 is: 54,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,183.16 : 98,237.34 = 39,352.32 : x
  2. Step 2: Convert to fraction form
    71,183.16/98,237.34 = 39,352.32/x
  3. Step 3: Cross multiply
    71,183.16x = 98,237.34 × 39,352.32
  4. Step 4: Simplify right side
    71,183.16x = 3,865,867,239.63
  5. Step 5: Solve for x
    x = 3,865,867,239.63/71,183.16
  6. Step 6: Final answer
    x = 54,308.73

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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.