Home / 102,238.36-141,095.38-61,955.64

Finding the Fourth Proportional to 102,238.36, 141,095.38 and 61,955.64

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Solution

The fourth proportional to 102,238.36, 141,095.38 and 61,955.64 is: 85,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,238.36 : 141,095.38 = 61,955.64 : x
  2. Step 2: Convert to fraction form
    102,238.36/141,095.38 = 61,955.64/x
  3. Step 3: Cross multiply
    102,238.36x = 141,095.38 × 61,955.64
  4. Step 4: Simplify right side
    102,238.36x = 8,741,654,568.94
  5. Step 5: Solve for x
    x = 8,741,654,568.94/102,238.36
  6. Step 6: Final answer
    x = 85,502.69

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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.