Home / 99,220.40-148,851.09-32,664.50

Finding the Fourth Proportional to 99,220.40, 148,851.09 and 32,664.50

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Solution

The fourth proportional to 99,220.40, 148,851.09 and 32,664.50 is: 49,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,220.40 : 148,851.09 = 32,664.50 : x
  2. Step 2: Convert to fraction form
    99,220.40/148,851.09 = 32,664.50/x
  3. Step 3: Cross multiply
    99,220.40x = 148,851.09 × 32,664.50
  4. Step 4: Simplify right side
    99,220.40x = 4,862,146,429.31
  5. Step 5: Solve for x
    x = 4,862,146,429.31/99,220.40
  6. Step 6: Final answer
    x = 49,003.50

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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.