Home / 57,619.62-86,428.78-14,924.86

Finding the Fourth Proportional to 57,619.62, 86,428.78 and 14,924.86

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Solution

The fourth proportional to 57,619.62, 86,428.78 and 14,924.86 is: 22,387.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,619.62 : 86,428.78 = 14,924.86 : x
  2. Step 2: Convert to fraction form
    57,619.62/86,428.78 = 14,924.86/x
  3. Step 3: Cross multiply
    57,619.62x = 86,428.78 × 14,924.86
  4. Step 4: Simplify right side
    57,619.62x = 1,289,937,441.47
  5. Step 5: Solve for x
    x = 1,289,937,441.47/57,619.62
  6. Step 6: Final answer
    x = 22,387.12

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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.