Home / 88,150.77-121,667.22-54,177.06

Finding the Fourth Proportional to 88,150.77, 121,667.22 and 54,177.06

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Solution

The fourth proportional to 88,150.77, 121,667.22 and 54,177.06 is: 74,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,150.77 : 121,667.22 = 54,177.06 : x
  2. Step 2: Convert to fraction form
    88,150.77/121,667.22 = 54,177.06/x
  3. Step 3: Cross multiply
    88,150.77x = 121,667.22 × 54,177.06
  4. Step 4: Simplify right side
    88,150.77x = 6,591,572,277.97
  5. Step 5: Solve for x
    x = 6,591,572,277.97/88,150.77
  6. Step 6: Final answer
    x = 74,776.12

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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.