Home / 66,029.40-98,856.90-51,264.60

Finding the Fourth Proportional to 66,029.40, 98,856.90 and 51,264.60

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Solution

The fourth proportional to 66,029.40, 98,856.90 and 51,264.60 is: 76,751.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,029.40 : 98,856.90 = 51,264.60 : x
  2. Step 2: Convert to fraction form
    66,029.40/98,856.90 = 51,264.60/x
  3. Step 3: Cross multiply
    66,029.40x = 98,856.90 × 51,264.60
  4. Step 4: Simplify right side
    66,029.40x = 5,067,859,435.74
  5. Step 5: Solve for x
    x = 5,067,859,435.74/66,029.40
  6. Step 6: Final answer
    x = 76,751.56

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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.