Home / 86,535.09-119,419.97-50,750.91

Finding the Fourth Proportional to 86,535.09, 119,419.97 and 50,750.91

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Solution

The fourth proportional to 86,535.09, 119,419.97 and 50,750.91 is: 70,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,535.09 : 119,419.97 = 50,750.91 : x
  2. Step 2: Convert to fraction form
    86,535.09/119,419.97 = 50,750.91/x
  3. Step 3: Cross multiply
    86,535.09x = 119,419.97 × 50,750.91
  4. Step 4: Simplify right side
    86,535.09x = 6,060,672,149.67
  5. Step 5: Solve for x
    x = 6,060,672,149.67/86,535.09
  6. Step 6: Final answer
    x = 70,037.16

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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.