Home / 102,207.01-153,310.56-45,981.46

Finding the Fourth Proportional to 102,207.01, 153,310.56 and 45,981.46

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Solution

The fourth proportional to 102,207.01, 153,310.56 and 45,981.46 is: 68,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,207.01 : 153,310.56 = 45,981.46 : x
  2. Step 2: Convert to fraction form
    102,207.01/153,310.56 = 45,981.46/x
  3. Step 3: Cross multiply
    102,207.01x = 153,310.56 × 45,981.46
  4. Step 4: Simplify right side
    102,207.01x = 7,049,443,382.22
  5. Step 5: Solve for x
    x = 7,049,443,382.22/102,207.01
  6. Step 6: Final answer
    x = 68,972.21

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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.