Home / 124,155.72-171,329.58-67,566.96

Finding the Fourth Proportional to 124,155.72, 171,329.58 and 67,566.96

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Solution

The fourth proportional to 124,155.72, 171,329.58 and 67,566.96 is: 93,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,155.72 : 171,329.58 = 67,566.96 : x
  2. Step 2: Convert to fraction form
    124,155.72/171,329.58 = 67,566.96/x
  3. Step 3: Cross multiply
    124,155.72x = 171,329.58 × 67,566.96
  4. Step 4: Simplify right side
    124,155.72x = 11,576,218,878.68
  5. Step 5: Solve for x
    x = 11,576,218,878.68/124,155.72
  6. Step 6: Final answer
    x = 93,239.51

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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.