Home / 106,781.24-147,353.47-61,460.69

Finding the Fourth Proportional to 106,781.24, 147,353.47 and 61,460.69

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Solution

The fourth proportional to 106,781.24, 147,353.47 and 61,460.69 is: 84,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,781.24 : 147,353.47 = 61,460.69 : x
  2. Step 2: Convert to fraction form
    106,781.24/147,353.47 = 61,460.69/x
  3. Step 3: Cross multiply
    106,781.24x = 147,353.47 × 61,460.69
  4. Step 4: Simplify right side
    106,781.24x = 9,056,445,049.68
  5. Step 5: Solve for x
    x = 9,056,445,049.68/106,781.24
  6. Step 6: Final answer
    x = 84,813.07

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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.