Home / 88,216.56-132,327.44-21,656.69

Finding the Fourth Proportional to 88,216.56, 132,327.44 and 21,656.69

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Solution

The fourth proportional to 88,216.56, 132,327.44 and 21,656.69 is: 32,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,216.56 : 132,327.44 = 21,656.69 : x
  2. Step 2: Convert to fraction form
    88,216.56/132,327.44 = 21,656.69/x
  3. Step 3: Cross multiply
    88,216.56x = 132,327.44 × 21,656.69
  4. Step 4: Simplify right side
    88,216.56x = 2,865,774,154.09
  5. Step 5: Solve for x
    x = 2,865,774,154.09/88,216.56
  6. Step 6: Final answer
    x = 32,485.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.