Home / 71,184.06-98,238.96-39,355.92

Finding the Fourth Proportional to 71,184.06, 98,238.96 and 39,355.92

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Solution

The fourth proportional to 71,184.06, 98,238.96 and 39,355.92 is: 54,313.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.06 : 98,238.96 = 39,355.92 : x
  2. Step 2: Convert to fraction form
    71,184.06/98,238.96 = 39,355.92/x
  3. Step 3: Cross multiply
    71,184.06x = 98,238.96 × 39,355.92
  4. Step 4: Simplify right side
    71,184.06x = 3,866,284,650.64
  5. Step 5: Solve for x
    x = 3,866,284,650.64/71,184.06
  6. Step 6: Final answer
    x = 54,313.91

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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.