Home / 66,370.78-99,422.52-32,989.60

Finding the Fourth Proportional to 66,370.78, 99,422.52 and 32,989.60

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Solution

The fourth proportional to 66,370.78, 99,422.52 and 32,989.60 is: 49,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,370.78 : 99,422.52 = 32,989.60 : x
  2. Step 2: Convert to fraction form
    66,370.78/99,422.52 = 32,989.60/x
  3. Step 3: Cross multiply
    66,370.78x = 99,422.52 × 32,989.60
  4. Step 4: Simplify right side
    66,370.78x = 3,279,909,165.79
  5. Step 5: Solve for x
    x = 3,279,909,165.79/66,370.78
  6. Step 6: Final answer
    x = 49,417.97

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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.