Home / 88,867.68-122,558.08-73,736.40

Finding the Fourth Proportional to 88,867.68, 122,558.08 and 73,736.40

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Solution

The fourth proportional to 88,867.68, 122,558.08 and 73,736.40 is: 101,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,867.68 : 122,558.08 = 73,736.40 : x
  2. Step 2: Convert to fraction form
    88,867.68/122,558.08 = 73,736.40/x
  3. Step 3: Cross multiply
    88,867.68x = 122,558.08 × 73,736.40
  4. Step 4: Simplify right side
    88,867.68x = 9,036,991,610.11
  5. Step 5: Solve for x
    x = 9,036,991,610.11/88,867.68
  6. Step 6: Final answer
    x = 101,690.42

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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.