Home / 66,207.97-91,410.65-51,074.29

Finding the Fourth Proportional to 66,207.97, 91,410.65 and 51,074.29

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Solution

The fourth proportional to 66,207.97, 91,410.65 and 51,074.29 is: 70,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207.97 : 91,410.65 = 51,074.29 : x
  2. Step 2: Convert to fraction form
    66,207.97/91,410.65 = 51,074.29/x
  3. Step 3: Cross multiply
    66,207.97x = 91,410.65 × 51,074.29
  4. Step 4: Simplify right side
    66,207.97x = 4,668,734,047.19
  5. Step 5: Solve for x
    x = 4,668,734,047.19/66,207.97
  6. Step 6: Final answer
    x = 70,516.19

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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.