Home / 109,541.78-164,306.48-38,467.69

Finding the Fourth Proportional to 109,541.78, 164,306.48 and 38,467.69

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Solution

The fourth proportional to 109,541.78, 164,306.48 and 38,467.69 is: 57,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,541.78 : 164,306.48 = 38,467.69 : x
  2. Step 2: Convert to fraction form
    109,541.78/164,306.48 = 38,467.69/x
  3. Step 3: Cross multiply
    109,541.78x = 164,306.48 × 38,467.69
  4. Step 4: Simplify right side
    109,541.78x = 6,320,490,134.53
  5. Step 5: Solve for x
    x = 6,320,490,134.53/109,541.78
  6. Step 6: Final answer
    x = 57,699.36

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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.