Home / 124,506.28-171,815.88-67,919.68

Finding the Fourth Proportional to 124,506.28, 171,815.88 and 67,919.68

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Solution

The fourth proportional to 124,506.28, 171,815.88 and 67,919.68 is: 93,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,506.28 : 171,815.88 = 67,919.68 : x
  2. Step 2: Convert to fraction form
    124,506.28/171,815.88 = 67,919.68/x
  3. Step 3: Cross multiply
    124,506.28x = 171,815.88 × 67,919.68
  4. Step 4: Simplify right side
    124,506.28x = 11,669,679,588.52
  5. Step 5: Solve for x
    x = 11,669,679,588.52/124,506.28
  6. Step 6: Final answer
    x = 93,727.64

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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.