Home / 88,076.79-121,646.94-57,996.60

Finding the Fourth Proportional to 88,076.79, 121,646.94 and 57,996.60

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Solution

The fourth proportional to 88,076.79, 121,646.94 and 57,996.60 is: 80,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,076.79 : 121,646.94 = 57,996.60 : x
  2. Step 2: Convert to fraction form
    88,076.79/121,646.94 = 57,996.60/x
  3. Step 3: Cross multiply
    88,076.79x = 121,646.94 × 57,996.60
  4. Step 4: Simplify right side
    88,076.79x = 7,055,108,920.40
  5. Step 5: Solve for x
    x = 7,055,108,920.40/88,076.79
  6. Step 6: Final answer
    x = 80,101.79

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1.5x scale

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.