Home / 86,167.80-118,911.29-50,350.66

Finding the Fourth Proportional to 86,167.80, 118,911.29 and 50,350.66

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Solution

The fourth proportional to 86,167.80, 118,911.29 and 50,350.66 is: 69,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,167.80 : 118,911.29 = 50,350.66 : x
  2. Step 2: Convert to fraction form
    86,167.80/118,911.29 = 50,350.66/x
  3. Step 3: Cross multiply
    86,167.80x = 118,911.29 × 50,350.66
  4. Step 4: Simplify right side
    86,167.80x = 5,987,262,336.02
  5. Step 5: Solve for x
    x = 5,987,262,336.02/86,167.80
  6. Step 6: Final answer
    x = 69,483.76

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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.