Home / 66,456.58-99,701.67-22,083.55

Finding the Fourth Proportional to 66,456.58, 99,701.67 and 22,083.55

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Solution

The fourth proportional to 66,456.58, 99,701.67 and 22,083.55 is: 33,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,456.58 : 99,701.67 = 22,083.55 : x
  2. Step 2: Convert to fraction form
    66,456.58/99,701.67 = 22,083.55/x
  3. Step 3: Cross multiply
    66,456.58x = 99,701.67 × 22,083.55
  4. Step 4: Simplify right side
    66,456.58x = 2,201,766,814.53
  5. Step 5: Solve for x
    x = 2,201,766,814.53/66,456.58
  6. Step 6: Final answer
    x = 33,130.91

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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.