Home / 88,308.96-121,861.44-50,585.64

Finding the Fourth Proportional to 88,308.96, 121,861.44 and 50,585.64

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Solution

The fourth proportional to 88,308.96, 121,861.44 and 50,585.64 is: 69,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,308.96 : 121,861.44 = 50,585.64 : x
  2. Step 2: Convert to fraction form
    88,308.96/121,861.44 = 50,585.64/x
  3. Step 3: Cross multiply
    88,308.96x = 121,861.44 × 50,585.64
  4. Step 4: Simplify right side
    88,308.96x = 6,164,438,933.72
  5. Step 5: Solve for x
    x = 6,164,438,933.72/88,308.96
  6. Step 6: Final answer
    x = 69,805.36

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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.