Home / 43,135.74-64,616.13-22,315.50

Finding the Fourth Proportional to 43,135.74, 64,616.13 and 22,315.50

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Solution

The fourth proportional to 43,135.74, 64,616.13 and 22,315.50 is: 33,427.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,135.74 : 64,616.13 = 22,315.50 : x
  2. Step 2: Convert to fraction form
    43,135.74/64,616.13 = 22,315.50/x
  3. Step 3: Cross multiply
    43,135.74x = 64,616.13 × 22,315.50
  4. Step 4: Simplify right side
    43,135.74x = 1,441,941,249.02
  5. Step 5: Solve for x
    x = 1,441,941,249.02/43,135.74
  6. Step 6: Final answer
    x = 33,427.99

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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.