Home / 102,213.48-153,344.83-43,066.07

Finding the Fourth Proportional to 102,213.48, 153,344.83 and 43,066.07

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Solution

The fourth proportional to 102,213.48, 153,344.83 and 43,066.07 is: 64,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,213.48 : 153,344.83 = 43,066.07 : x
  2. Step 2: Convert to fraction form
    102,213.48/153,344.83 = 43,066.07/x
  3. Step 3: Cross multiply
    102,213.48x = 153,344.83 × 43,066.07
  4. Step 4: Simplify right side
    102,213.48x = 6,603,959,182.92
  5. Step 5: Solve for x
    x = 6,603,959,182.92/102,213.48
  6. Step 6: Final answer
    x = 64,609.47

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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.