Home / 85,004.59-117,304.07-49,195.20

Finding the Fourth Proportional to 85,004.59, 117,304.07 and 49,195.20

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Solution

The fourth proportional to 85,004.59, 117,304.07 and 49,195.20 is: 67,888.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,004.59 : 117,304.07 = 49,195.20 : x
  2. Step 2: Convert to fraction form
    85,004.59/117,304.07 = 49,195.20/x
  3. Step 3: Cross multiply
    85,004.59x = 117,304.07 × 49,195.20
  4. Step 4: Simplify right side
    85,004.59x = 5,770,797,133.63
  5. Step 5: Solve for x
    x = 5,770,797,133.63/85,004.59
  6. Step 6: Final answer
    x = 67,888.07

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1.5x scale

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.