Home / 99,285.30-148,954.35-43,101.30

Finding the Fourth Proportional to 99,285.30, 148,954.35 and 43,101.30

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Solution

The fourth proportional to 99,285.30, 148,954.35 and 43,101.30 is: 64,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,285.30 : 148,954.35 = 43,101.30 : x
  2. Step 2: Convert to fraction form
    99,285.30/148,954.35 = 43,101.30/x
  3. Step 3: Cross multiply
    99,285.30x = 148,954.35 × 43,101.30
  4. Step 4: Simplify right side
    99,285.30x = 6,420,126,125.66
  5. Step 5: Solve for x
    x = 6,420,126,125.66/99,285.30
  6. Step 6: Final answer
    x = 64,663.41

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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.