Home / 102,213.77-153,309.87-27,341.47

Finding the Fourth Proportional to 102,213.77, 153,309.87 and 27,341.47

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Solution

The fourth proportional to 102,213.77, 153,309.87 and 27,341.47 is: 41,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,213.77 : 153,309.87 = 27,341.47 : x
  2. Step 2: Convert to fraction form
    102,213.77/153,309.87 = 27,341.47/x
  3. Step 3: Cross multiply
    102,213.77x = 153,309.87 × 27,341.47
  4. Step 4: Simplify right side
    102,213.77x = 4,191,716,691.33
  5. Step 5: Solve for x
    x = 4,191,716,691.33/102,213.77
  6. Step 6: Final answer
    x = 41,009.32

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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.