Home / 107,016.19-147,669.68-61,709.06

Finding the Fourth Proportional to 107,016.19, 147,669.68 and 61,709.06

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Solution

The fourth proportional to 107,016.19, 147,669.68 and 61,709.06 is: 85,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,016.19 : 147,669.68 = 61,709.06 : x
  2. Step 2: Convert to fraction form
    107,016.19/147,669.68 = 61,709.06/x
  3. Step 3: Cross multiply
    107,016.19x = 147,669.68 × 61,709.06
  4. Step 4: Simplify right side
    107,016.19x = 9,112,557,143.30
  5. Step 5: Solve for x
    x = 9,112,557,143.30/107,016.19
  6. Step 6: Final answer
    x = 85,151.20

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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.