Home / 102,010.96-153,010.50-45,836.56

Finding the Fourth Proportional to 102,010.96, 153,010.50 and 45,836.56

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Solution

The fourth proportional to 102,010.96, 153,010.50 and 45,836.56 is: 68,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,010.96 : 153,010.50 = 45,836.56 : x
  2. Step 2: Convert to fraction form
    102,010.96/153,010.50 = 45,836.56/x
  3. Step 3: Cross multiply
    102,010.96x = 153,010.50 × 45,836.56
  4. Step 4: Simplify right side
    102,010.96x = 7,013,474,963.88
  5. Step 5: Solve for x
    x = 7,013,474,963.88/102,010.96
  6. Step 6: Final answer
    x = 68,752.17

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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.