Home / 97,511.81-134,049.67-83,849.82

Finding the Fourth Proportional to 97,511.81, 134,049.67 and 83,849.82

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Solution

The fourth proportional to 97,511.81, 134,049.67 and 83,849.82 is: 115,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,511.81 : 134,049.67 = 83,849.82 : x
  2. Step 2: Convert to fraction form
    97,511.81/134,049.67 = 83,849.82/x
  3. Step 3: Cross multiply
    97,511.81x = 134,049.67 × 83,849.82
  4. Step 4: Simplify right side
    97,511.81x = 11,240,040,700.56
  5. Step 5: Solve for x
    x = 11,240,040,700.56/97,511.81
  6. Step 6: Final answer
    x = 115,268.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.