Home / 66,220.08-99,274.14-28,751.82

Finding the Fourth Proportional to 66,220.08, 99,274.14 and 28,751.82

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Solution

The fourth proportional to 66,220.08, 99,274.14 and 28,751.82 is: 43,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,220.08 : 99,274.14 = 28,751.82 : x
  2. Step 2: Convert to fraction form
    66,220.08/99,274.14 = 28,751.82/x
  3. Step 3: Cross multiply
    66,220.08x = 99,274.14 × 28,751.82
  4. Step 4: Simplify right side
    66,220.08x = 2,854,312,203.93
  5. Step 5: Solve for x
    x = 2,854,312,203.93/66,220.08
  6. Step 6: Final answer
    x = 43,103.42

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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.