Home / 88,394.09-121,996.70-49,636.26

Finding the Fourth Proportional to 88,394.09, 121,996.70 and 49,636.26

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Solution

The fourth proportional to 88,394.09, 121,996.70 and 49,636.26 is: 68,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,394.09 : 121,996.70 = 49,636.26 : x
  2. Step 2: Convert to fraction form
    88,394.09/121,996.70 = 49,636.26/x
  3. Step 3: Cross multiply
    88,394.09x = 121,996.70 × 49,636.26
  4. Step 4: Simplify right side
    88,394.09x = 6,055,459,672.16
  5. Step 5: Solve for x
    x = 6,055,459,672.16/88,394.09
  6. Step 6: Final answer
    x = 68,505.26

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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.