Home / 43,140.99-64,624.01-22,320.75

Finding the Fourth Proportional to 43,140.99, 64,624.01 and 22,320.75

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Solution

The fourth proportional to 43,140.99, 64,624.01 and 22,320.75 is: 33,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,140.99 : 64,624.01 = 22,320.75 : x
  2. Step 2: Convert to fraction form
    43,140.99/64,624.01 = 22,320.75/x
  3. Step 3: Cross multiply
    43,140.99x = 64,624.01 × 22,320.75
  4. Step 4: Simplify right side
    43,140.99x = 1,442,456,259.60
  5. Step 5: Solve for x
    x = 1,442,456,259.60/43,140.99
  6. Step 6: Final answer
    x = 33,435.86

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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.