Home / 66,026.03-98,989.79-39,724.61

Finding the Fourth Proportional to 66,026.03, 98,989.79 and 39,724.61

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Solution

The fourth proportional to 66,026.03, 98,989.79 and 39,724.61 is: 59,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,026.03 : 98,989.79 = 39,724.61 : x
  2. Step 2: Convert to fraction form
    66,026.03/98,989.79 = 39,724.61/x
  3. Step 3: Cross multiply
    66,026.03x = 98,989.79 × 39,724.61
  4. Step 4: Simplify right side
    66,026.03x = 3,932,330,801.73
  5. Step 5: Solve for x
    x = 3,932,330,801.73/66,026.03
  6. Step 6: Final answer
    x = 59,557.28

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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.