Home / 88,255.49-121,792.70-47,969.15

Finding the Fourth Proportional to 88,255.49, 121,792.70 and 47,969.15

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Solution

The fourth proportional to 88,255.49, 121,792.70 and 47,969.15 is: 66,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,255.49 : 121,792.70 = 47,969.15 : x
  2. Step 2: Convert to fraction form
    88,255.49/121,792.70 = 47,969.15/x
  3. Step 3: Cross multiply
    88,255.49x = 121,792.70 × 47,969.15
  4. Step 4: Simplify right side
    88,255.49x = 5,842,292,719.61
  5. Step 5: Solve for x
    x = 5,842,292,719.61/88,255.49
  6. Step 6: Final answer
    x = 66,197.50

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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.