Home / 106,945.18-147,587.82-61,619.56

Finding the Fourth Proportional to 106,945.18, 147,587.82 and 61,619.56

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Solution

The fourth proportional to 106,945.18, 147,587.82 and 61,619.56 is: 85,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,945.18 : 147,587.82 = 61,619.56 : x
  2. Step 2: Convert to fraction form
    106,945.18/147,587.82 = 61,619.56/x
  3. Step 3: Cross multiply
    106,945.18x = 147,587.82 × 61,619.56
  4. Step 4: Simplify right side
    106,945.18x = 9,094,296,529.76
  5. Step 5: Solve for x
    x = 9,094,296,529.76/106,945.18
  6. Step 6: Final answer
    x = 85,036.99

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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.