Home / 109,903.51-151,669.92-62,164.18

Finding the Fourth Proportional to 109,903.51, 151,669.92 and 62,164.18

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Solution

The fourth proportional to 109,903.51, 151,669.92 and 62,164.18 is: 85,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,903.51 : 151,669.92 = 62,164.18 : x
  2. Step 2: Convert to fraction form
    109,903.51/151,669.92 = 62,164.18/x
  3. Step 3: Cross multiply
    109,903.51x = 151,669.92 × 62,164.18
  4. Step 4: Simplify right side
    109,903.51x = 9,428,436,207.47
  5. Step 5: Solve for x
    x = 9,428,436,207.47/109,903.51
  6. Step 6: Final answer
    x = 85,788.31

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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.