Home / 66,113.96-91,275.42-50,170.52

Finding the Fourth Proportional to 66,113.96, 91,275.42 and 50,170.52

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Solution

The fourth proportional to 66,113.96, 91,275.42 and 50,170.52 is: 69,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113.96 : 91,275.42 = 50,170.52 : x
  2. Step 2: Convert to fraction form
    66,113.96/91,275.42 = 50,170.52/x
  3. Step 3: Cross multiply
    66,113.96x = 91,275.42 × 50,170.52
  4. Step 4: Simplify right side
    66,113.96x = 4,579,335,284.62
  5. Step 5: Solve for x
    x = 4,579,335,284.62/66,113.96
  6. Step 6: Final answer
    x = 69,264.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.