Home / 86,131.01-118,834.08-50,295.17

Finding the Fourth Proportional to 86,131.01, 118,834.08 and 50,295.17

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Solution

The fourth proportional to 86,131.01, 118,834.08 and 50,295.17 is: 69,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,131.01 : 118,834.08 = 50,295.17 : x
  2. Step 2: Convert to fraction form
    86,131.01/118,834.08 = 50,295.17/x
  3. Step 3: Cross multiply
    86,131.01x = 118,834.08 × 50,295.17
  4. Step 4: Simplify right side
    86,131.01x = 5,976,780,255.39
  5. Step 5: Solve for x
    x = 5,976,780,255.39/86,131.01
  6. Step 6: Final answer
    x = 69,391.74

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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.