Home / 98,763.41-148,159.70-28,633.61

Finding the Fourth Proportional to 98,763.41, 148,159.70 and 28,633.61

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Solution

The fourth proportional to 98,763.41, 148,159.70 and 28,633.61 is: 42,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,763.41 : 148,159.70 = 28,633.61 : x
  2. Step 2: Convert to fraction form
    98,763.41/148,159.70 = 28,633.61/x
  3. Step 3: Cross multiply
    98,763.41x = 148,159.70 × 28,633.61
  4. Step 4: Simplify right side
    98,763.41x = 4,242,346,183.55
  5. Step 5: Solve for x
    x = 4,242,346,183.55/98,763.41
  6. Step 6: Final answer
    x = 42,954.64

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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.