Home / 105,568.31-158,333.54-52,243.13

Finding the Fourth Proportional to 105,568.31, 158,333.54 and 52,243.13

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Solution

The fourth proportional to 105,568.31, 158,333.54 and 52,243.13 is: 78,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,568.31 : 158,333.54 = 52,243.13 : x
  2. Step 2: Convert to fraction form
    105,568.31/158,333.54 = 52,243.13/x
  3. Step 3: Cross multiply
    105,568.31x = 158,333.54 × 52,243.13
  4. Step 4: Simplify right side
    105,568.31x = 8,271,838,660.70
  5. Step 5: Solve for x
    x = 8,271,838,660.70/105,568.31
  6. Step 6: Final answer
    x = 78,355.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.