Home / 66,267.20-99,398.41-28,827.30

Finding the Fourth Proportional to 66,267.20, 99,398.41 and 28,827.30

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Solution

The fourth proportional to 66,267.20, 99,398.41 and 28,827.30 is: 43,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,267.20 : 99,398.41 = 28,827.30 : x
  2. Step 2: Convert to fraction form
    66,267.20/99,398.41 = 28,827.30/x
  3. Step 3: Cross multiply
    66,267.20x = 99,398.41 × 28,827.30
  4. Step 4: Simplify right side
    66,267.20x = 2,865,387,784.59
  5. Step 5: Solve for x
    x = 2,865,387,784.59/66,267.20
  6. Step 6: Final answer
    x = 43,239.91

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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.