Home / 107,269.32-148,053.20-61,954.68

Finding the Fourth Proportional to 107,269.32, 148,053.20 and 61,954.68

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Solution

The fourth proportional to 107,269.32, 148,053.20 and 61,954.68 is: 85,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,269.32 : 148,053.20 = 61,954.68 : x
  2. Step 2: Convert to fraction form
    107,269.32/148,053.20 = 61,954.68/x
  3. Step 3: Cross multiply
    107,269.32x = 148,053.20 × 61,954.68
  4. Step 4: Simplify right side
    107,269.32x = 9,172,588,628.98
  5. Step 5: Solve for x
    x = 9,172,588,628.98/107,269.32
  6. Step 6: Final answer
    x = 85,509.90

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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.