Home / 102,521.67-153,819.43-35,972.18

Finding the Fourth Proportional to 102,521.67, 153,819.43 and 35,972.18

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Solution

The fourth proportional to 102,521.67, 153,819.43 and 35,972.18 is: 53,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,521.67 : 153,819.43 = 35,972.18 : x
  2. Step 2: Convert to fraction form
    102,521.67/153,819.43 = 35,972.18/x
  3. Step 3: Cross multiply
    102,521.67x = 153,819.43 × 35,972.18
  4. Step 4: Simplify right side
    102,521.67x = 5,533,219,609.81
  5. Step 5: Solve for x
    x = 5,533,219,609.81/102,521.67
  6. Step 6: Final answer
    x = 53,971.22

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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.