Home / 86,177.26-118,885.75-50,351.16

Finding the Fourth Proportional to 86,177.26, 118,885.75 and 50,351.16

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Solution

The fourth proportional to 86,177.26, 118,885.75 and 50,351.16 is: 69,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,177.26 : 118,885.75 = 50,351.16 : x
  2. Step 2: Convert to fraction form
    86,177.26/118,885.75 = 50,351.16/x
  3. Step 3: Cross multiply
    86,177.26x = 118,885.75 × 50,351.16
  4. Step 4: Simplify right side
    86,177.26x = 5,986,035,168.21
  5. Step 5: Solve for x
    x = 5,986,035,168.21/86,177.26
  6. Step 6: Final answer
    x = 69,461.89

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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.