Home / 88,030-121,481.60-50,304.16

Finding the Fourth Proportional to 88,030, 121,481.60 and 50,304.16

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Solution

The fourth proportional to 88,030, 121,481.60 and 50,304.16 is: 69,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,030 : 121,481.60 = 50,304.16 : x
  2. Step 2: Convert to fraction form
    88,030/121,481.60 = 50,304.16/x
  3. Step 3: Cross multiply
    88,030x = 121,481.60 × 50,304.16
  4. Step 4: Simplify right side
    88,030x = 6,111,029,843.46
  5. Step 5: Solve for x
    x = 6,111,029,843.46/88,030
  6. Step 6: Final answer
    x = 69,419.86

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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.