Home / 86,707.51-119,669.07-50,917.12

Finding the Fourth Proportional to 86,707.51, 119,669.07 and 50,917.12

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Solution

The fourth proportional to 86,707.51, 119,669.07 and 50,917.12 is: 70,273.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,707.51 : 119,669.07 = 50,917.12 : x
  2. Step 2: Convert to fraction form
    86,707.51/119,669.07 = 50,917.12/x
  3. Step 3: Cross multiply
    86,707.51x = 119,669.07 × 50,917.12
  4. Step 4: Simplify right side
    86,707.51x = 6,093,204,397.48
  5. Step 5: Solve for x
    x = 6,093,204,397.48/86,707.51
  6. Step 6: Final answer
    x = 70,273.09

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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.