Home / 86,935.12-119,963.87-52,939.85

Finding the Fourth Proportional to 86,935.12, 119,963.87 and 52,939.85

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Solution

The fourth proportional to 86,935.12, 119,963.87 and 52,939.85 is: 73,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,935.12 : 119,963.87 = 52,939.85 : x
  2. Step 2: Convert to fraction form
    86,935.12/119,963.87 = 52,939.85/x
  3. Step 3: Cross multiply
    86,935.12x = 119,963.87 × 52,939.85
  4. Step 4: Simplify right side
    86,935.12x = 6,350,868,617.23
  5. Step 5: Solve for x
    x = 6,350,868,617.23/86,935.12
  6. Step 6: Final answer
    x = 73,052.97

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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.