Home / 86,685.39-119,628.09-50,876.91

Finding the Fourth Proportional to 86,685.39, 119,628.09 and 50,876.91

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Solution

The fourth proportional to 86,685.39, 119,628.09 and 50,876.91 is: 70,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,685.39 : 119,628.09 = 50,876.91 : x
  2. Step 2: Convert to fraction form
    86,685.39/119,628.09 = 50,876.91/x
  3. Step 3: Cross multiply
    86,685.39x = 119,628.09 × 50,876.91
  4. Step 4: Simplify right side
    86,685.39x = 6,086,307,568.40
  5. Step 5: Solve for x
    x = 6,086,307,568.40/86,685.39
  6. Step 6: Final answer
    x = 70,211.46

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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.