Home / 98,956.48-148,420.32-28,816.96

Finding the Fourth Proportional to 98,956.48, 148,420.32 and 28,816.96

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Solution

The fourth proportional to 98,956.48, 148,420.32 and 28,816.96 is: 43,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,956.48 : 148,420.32 = 28,816.96 : x
  2. Step 2: Convert to fraction form
    98,956.48/148,420.32 = 28,816.96/x
  3. Step 3: Cross multiply
    98,956.48x = 148,420.32 × 28,816.96
  4. Step 4: Simplify right side
    98,956.48x = 4,277,022,424.63
  5. Step 5: Solve for x
    x = 4,277,022,424.63/98,956.48
  6. Step 6: Final answer
    x = 43,221.25

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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.