Home / 71,539.06-98,723.19-39,707.14

Finding the Fourth Proportional to 71,539.06, 98,723.19 and 39,707.14

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Solution

The fourth proportional to 71,539.06, 98,723.19 and 39,707.14 is: 54,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,539.06 : 98,723.19 = 39,707.14 : x
  2. Step 2: Convert to fraction form
    71,539.06/98,723.19 = 39,707.14/x
  3. Step 3: Cross multiply
    71,539.06x = 98,723.19 × 39,707.14
  4. Step 4: Simplify right side
    71,539.06x = 3,920,015,526.58
  5. Step 5: Solve for x
    x = 3,920,015,526.58/71,539.06
  6. Step 6: Final answer
    x = 54,795.46

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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.