Home / 66,468.09-91,725.97-42,627.06

Finding the Fourth Proportional to 66,468.09, 91,725.97 and 42,627.06

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Solution

The fourth proportional to 66,468.09, 91,725.97 and 42,627.06 is: 58,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,468.09 : 91,725.97 = 42,627.06 : x
  2. Step 2: Convert to fraction form
    66,468.09/91,725.97 = 42,627.06/x
  3. Step 3: Cross multiply
    66,468.09x = 91,725.97 × 42,627.06
  4. Step 4: Simplify right side
    66,468.09x = 3,910,008,400.11
  5. Step 5: Solve for x
    x = 3,910,008,400.11/66,468.09
  6. Step 6: Final answer
    x = 58,825.34

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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.