Home / 66,443.20-99,655.06-22,068.96

Finding the Fourth Proportional to 66,443.20, 99,655.06 and 22,068.96

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Solution

The fourth proportional to 66,443.20, 99,655.06 and 22,068.96 is: 33,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443.20 : 99,655.06 = 22,068.96 : x
  2. Step 2: Convert to fraction form
    66,443.20/99,655.06 = 22,068.96/x
  3. Step 3: Cross multiply
    66,443.20x = 99,655.06 × 22,068.96
  4. Step 4: Simplify right side
    66,443.20x = 2,199,283,532.94
  5. Step 5: Solve for x
    x = 2,199,283,532.94/66,443.20
  6. Step 6: Final answer
    x = 33,100.20

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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.