Home / 124,558.62-186,867.59-40,318.80

Finding the Fourth Proportional to 124,558.62, 186,867.59 and 40,318.80

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Solution

The fourth proportional to 124,558.62, 186,867.59 and 40,318.80 is: 60,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,558.62 : 186,867.59 = 40,318.80 : x
  2. Step 2: Convert to fraction form
    124,558.62/186,867.59 = 40,318.80/x
  3. Step 3: Cross multiply
    124,558.62x = 186,867.59 × 40,318.80
  4. Step 4: Simplify right side
    124,558.62x = 7,534,276,987.69
  5. Step 5: Solve for x
    x = 7,534,276,987.69/124,558.62
  6. Step 6: Final answer
    x = 60,487.80

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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.