Home / 102,713.32-141,735.56-59,107.28

Finding the Fourth Proportional to 102,713.32, 141,735.56 and 59,107.28

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Solution

The fourth proportional to 102,713.32, 141,735.56 and 59,107.28 is: 81,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,713.32 : 141,735.56 = 59,107.28 : x
  2. Step 2: Convert to fraction form
    102,713.32/141,735.56 = 59,107.28/x
  3. Step 3: Cross multiply
    102,713.32x = 141,735.56 × 59,107.28
  4. Step 4: Simplify right side
    102,713.32x = 8,377,603,430.88
  5. Step 5: Solve for x
    x = 8,377,603,430.88/102,713.32
  6. Step 6: Final answer
    x = 81,562.97

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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.