Home / 88,177.24-121,665.66-52,379.32

Finding the Fourth Proportional to 88,177.24, 121,665.66 and 52,379.32

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Solution

The fourth proportional to 88,177.24, 121,665.66 and 52,379.32 is: 72,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,177.24 : 121,665.66 = 52,379.32 : x
  2. Step 2: Convert to fraction form
    88,177.24/121,665.66 = 52,379.32/x
  3. Step 3: Cross multiply
    88,177.24x = 121,665.66 × 52,379.32
  4. Step 4: Simplify right side
    88,177.24x = 6,372,764,538.15
  5. Step 5: Solve for x
    x = 6,372,764,538.15/88,177.24
  6. Step 6: Final answer
    x = 72,272.22

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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.