Home / 106,579.50-147,062.96-61,248.72

Finding the Fourth Proportional to 106,579.50, 147,062.96 and 61,248.72

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Solution

The fourth proportional to 106,579.50, 147,062.96 and 61,248.72 is: 84,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,579.50 : 147,062.96 = 61,248.72 : x
  2. Step 2: Convert to fraction form
    106,579.50/147,062.96 = 61,248.72/x
  3. Step 3: Cross multiply
    106,579.50x = 147,062.96 × 61,248.72
  4. Step 4: Simplify right side
    106,579.50x = 9,007,418,059.41
  5. Step 5: Solve for x
    x = 9,007,418,059.41/106,579.50
  6. Step 6: Final answer
    x = 84,513.61

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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.