Home / 66,200.34-99,244.50-28,732.07

Finding the Fourth Proportional to 66,200.34, 99,244.50 and 28,732.07

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Solution

The fourth proportional to 66,200.34, 99,244.50 and 28,732.07 is: 43,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,200.34 : 99,244.50 = 28,732.07 : x
  2. Step 2: Convert to fraction form
    66,200.34/99,244.50 = 28,732.07/x
  3. Step 3: Cross multiply
    66,200.34x = 99,244.50 × 28,732.07
  4. Step 4: Simplify right side
    66,200.34x = 2,851,499,424.89
  5. Step 5: Solve for x
    x = 2,851,499,424.89/66,200.34
  6. Step 6: Final answer
    x = 43,073.79

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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.