Home / 88,464.96-121,962.24-85,713.12

Finding the Fourth Proportional to 88,464.96, 121,962.24 and 85,713.12

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Solution

The fourth proportional to 88,464.96, 121,962.24 and 85,713.12 is: 118,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,464.96 : 121,962.24 = 85,713.12 : x
  2. Step 2: Convert to fraction form
    88,464.96/121,962.24 = 85,713.12/x
  3. Step 3: Cross multiply
    88,464.96x = 121,962.24 × 85,713.12
  4. Step 4: Simplify right side
    88,464.96x = 10,453,764,112.59
  5. Step 5: Solve for x
    x = 10,453,764,112.59/88,464.96
  6. Step 6: Final answer
    x = 118,168.42

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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.