Home / 64,998.12-97,511.76-20,626.32

Finding the Fourth Proportional to 64,998.12, 97,511.76 and 20,626.32

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Solution

The fourth proportional to 64,998.12, 97,511.76 and 20,626.32 is: 30,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,998.12 : 97,511.76 = 20,626.32 : x
  2. Step 2: Convert to fraction form
    64,998.12/97,511.76 = 20,626.32/x
  3. Step 3: Cross multiply
    64,998.12x = 97,511.76 × 20,626.32
  4. Step 4: Simplify right side
    64,998.12x = 2,011,308,765.52
  5. Step 5: Solve for x
    x = 2,011,308,765.52/64,998.12
  6. Step 6: Final answer
    x = 30,944.11

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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.