Home / 99,624.47-149,226.03-80,567.33

Finding the Fourth Proportional to 99,624.47, 149,226.03 and 80,567.33

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Solution

The fourth proportional to 99,624.47, 149,226.03 and 80,567.33 is: 120,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,624.47 : 149,226.03 = 80,567.33 : x
  2. Step 2: Convert to fraction form
    99,624.47/149,226.03 = 80,567.33/x
  3. Step 3: Cross multiply
    99,624.47x = 149,226.03 × 80,567.33
  4. Step 4: Simplify right side
    99,624.47x = 12,022,742,057.47
  5. Step 5: Solve for x
    x = 12,022,742,057.47/99,624.47
  6. Step 6: Final answer
    x = 120,680.62

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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.