Home / 105,836.61-146,054.32-60,515.44

Finding the Fourth Proportional to 105,836.61, 146,054.32 and 60,515.44

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Solution

The fourth proportional to 105,836.61, 146,054.32 and 60,515.44 is: 83,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,836.61 : 146,054.32 = 60,515.44 : x
  2. Step 2: Convert to fraction form
    105,836.61/146,054.32 = 60,515.44/x
  3. Step 3: Cross multiply
    105,836.61x = 146,054.32 × 60,515.44
  4. Step 4: Simplify right side
    105,836.61x = 8,838,541,438.70
  5. Step 5: Solve for x
    x = 8,838,541,438.70/105,836.61
  6. Step 6: Final answer
    x = 83,511.19

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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.