Home / 88,254.89-121,792.56-47,968.75

Finding the Fourth Proportional to 88,254.89, 121,792.56 and 47,968.75

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Solution

The fourth proportional to 88,254.89, 121,792.56 and 47,968.75 is: 66,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,254.89 : 121,792.56 = 47,968.75 : x
  2. Step 2: Convert to fraction form
    88,254.89/121,792.56 = 47,968.75/x
  3. Step 3: Cross multiply
    88,254.89x = 121,792.56 × 47,968.75
  4. Step 4: Simplify right side
    88,254.89x = 5,842,236,558.02
  5. Step 5: Solve for x
    x = 5,842,236,558.02/88,254.89
  6. Step 6: Final answer
    x = 66,197.31

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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.