Home / 99,836.41-149,515.75-57,628.68

Finding the Fourth Proportional to 99,836.41, 149,515.75 and 57,628.68

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Solution

The fourth proportional to 99,836.41, 149,515.75 and 57,628.68 is: 86,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,836.41 : 149,515.75 = 57,628.68 : x
  2. Step 2: Convert to fraction form
    99,836.41/149,515.75 = 57,628.68/x
  3. Step 3: Cross multiply
    99,836.41x = 149,515.75 × 57,628.68
  4. Step 4: Simplify right side
    99,836.41x = 8,616,395,311.71
  5. Step 5: Solve for x
    x = 8,616,395,311.71/99,836.41
  6. Step 6: Final answer
    x = 86,305.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.