Home / 71,319.01-98,421.77-39,054.99

Finding the Fourth Proportional to 71,319.01, 98,421.77 and 39,054.99

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Solution

The fourth proportional to 71,319.01, 98,421.77 and 39,054.99 is: 53,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,319.01 : 98,421.77 = 39,054.99 : x
  2. Step 2: Convert to fraction form
    71,319.01/98,421.77 = 39,054.99/x
  3. Step 3: Cross multiply
    71,319.01x = 98,421.77 × 39,054.99
  4. Step 4: Simplify right side
    71,319.01x = 3,843,861,243.13
  5. Step 5: Solve for x
    x = 3,843,861,243.13/71,319.01
  6. Step 6: Final answer
    x = 53,896.73

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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.