Home / 66,716.90-100,066.71-25,158.50

Finding the Fourth Proportional to 66,716.90, 100,066.71 and 25,158.50

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Solution

The fourth proportional to 66,716.90, 100,066.71 and 25,158.50 is: 37,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,716.90 : 100,066.71 = 25,158.50 : x
  2. Step 2: Convert to fraction form
    66,716.90/100,066.71 = 25,158.50/x
  3. Step 3: Cross multiply
    66,716.90x = 100,066.71 × 25,158.50
  4. Step 4: Simplify right side
    66,716.90x = 2,517,528,323.54
  5. Step 5: Solve for x
    x = 2,517,528,323.54/66,716.90
  6. Step 6: Final answer
    x = 37,734.49

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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.