Home / 79,227.90-109,335.36-43,417.14

Finding the Fourth Proportional to 79,227.90, 109,335.36 and 43,417.14

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Solution

The fourth proportional to 79,227.90, 109,335.36 and 43,417.14 is: 59,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227.90 : 109,335.36 = 43,417.14 : x
  2. Step 2: Convert to fraction form
    79,227.90/109,335.36 = 43,417.14/x
  3. Step 3: Cross multiply
    79,227.90x = 109,335.36 × 43,417.14
  4. Step 4: Simplify right side
    79,227.90x = 4,747,028,632.07
  5. Step 5: Solve for x
    x = 4,747,028,632.07/79,227.90
  6. Step 6: Final answer
    x = 59,916.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.