Home / 71,099.18-98,116.93-39,268.05

Finding the Fourth Proportional to 71,099.18, 98,116.93 and 39,268.05

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Solution

The fourth proportional to 71,099.18, 98,116.93 and 39,268.05 is: 54,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,099.18 : 98,116.93 = 39,268.05 : x
  2. Step 2: Convert to fraction form
    71,099.18/98,116.93 = 39,268.05/x
  3. Step 3: Cross multiply
    71,099.18x = 98,116.93 × 39,268.05
  4. Step 4: Simplify right side
    71,099.18x = 3,852,860,513.09
  5. Step 5: Solve for x
    x = 3,852,860,513.09/71,099.18
  6. Step 6: Final answer
    x = 54,189.94

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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.