Home / 102,875.62-154,313.43-36,317.92

Finding the Fourth Proportional to 102,875.62, 154,313.43 and 36,317.92

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Solution

The fourth proportional to 102,875.62, 154,313.43 and 36,317.92 is: 54,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,875.62 : 154,313.43 = 36,317.92 : x
  2. Step 2: Convert to fraction form
    102,875.62/154,313.43 = 36,317.92/x
  3. Step 3: Cross multiply
    102,875.62x = 154,313.43 × 36,317.92
  4. Step 4: Simplify right side
    102,875.62x = 5,604,342,805.67
  5. Step 5: Solve for x
    x = 5,604,342,805.67/102,875.62
  6. Step 6: Final answer
    x = 54,476.88

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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.