Home / 112,787.52-169,071.48-62,821.68

Finding the Fourth Proportional to 112,787.52, 169,071.48 and 62,821.68

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Solution

The fourth proportional to 112,787.52, 169,071.48 and 62,821.68 is: 94,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,787.52 : 169,071.48 = 62,821.68 : x
  2. Step 2: Convert to fraction form
    112,787.52/169,071.48 = 62,821.68/x
  3. Step 3: Cross multiply
    112,787.52x = 169,071.48 × 62,821.68
  4. Step 4: Simplify right side
    112,787.52x = 10,621,354,413.69
  5. Step 5: Solve for x
    x = 10,621,354,413.69/112,787.52
  6. Step 6: Final answer
    x = 94,171.36

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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.