Home / 66,722.66-100,087.64-22,345.40

Finding the Fourth Proportional to 66,722.66, 100,087.64 and 22,345.40

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Solution

The fourth proportional to 66,722.66, 100,087.64 and 22,345.40 is: 33,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,722.66 : 100,087.64 = 22,345.40 : x
  2. Step 2: Convert to fraction form
    66,722.66/100,087.64 = 22,345.40/x
  3. Step 3: Cross multiply
    66,722.66x = 100,087.64 × 22,345.40
  4. Step 4: Simplify right side
    66,722.66x = 2,236,497,822.49
  5. Step 5: Solve for x
    x = 2,236,497,822.49/66,722.66
  6. Step 6: Final answer
    x = 33,519.31

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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.