Home / 65,726.92-98,660.58-28,305.52

Finding the Fourth Proportional to 65,726.92, 98,660.58 and 28,305.52

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Solution

The fourth proportional to 65,726.92, 98,660.58 and 28,305.52 is: 42,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,726.92 : 98,660.58 = 28,305.52 : x
  2. Step 2: Convert to fraction form
    65,726.92/98,660.58 = 28,305.52/x
  3. Step 3: Cross multiply
    65,726.92x = 98,660.58 × 28,305.52
  4. Step 4: Simplify right side
    65,726.92x = 2,792,639,020.40
  5. Step 5: Solve for x
    x = 2,792,639,020.40/65,726.92
  6. Step 6: Final answer
    x = 42,488.51

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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.