Home / 124,438-171,727.16-67,849.60

Finding the Fourth Proportional to 124,438, 171,727.16 and 67,849.60

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Solution

The fourth proportional to 124,438, 171,727.16 and 67,849.60 is: 93,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,438 : 171,727.16 = 67,849.60 : x
  2. Step 2: Convert to fraction form
    124,438/171,727.16 = 67,849.60/x
  3. Step 3: Cross multiply
    124,438x = 171,727.16 × 67,849.60
  4. Step 4: Simplify right side
    124,438x = 11,651,619,115.14
  5. Step 5: Solve for x
    x = 11,651,619,115.14/124,438
  6. Step 6: Final answer
    x = 93,633.93

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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.