Home / 102,913.28-154,387.20-32,814.08

Finding the Fourth Proportional to 102,913.28, 154,387.20 and 32,814.08

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Solution

The fourth proportional to 102,913.28, 154,387.20 and 32,814.08 is: 49,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,913.28 : 154,387.20 = 32,814.08 : x
  2. Step 2: Convert to fraction form
    102,913.28/154,387.20 = 32,814.08/x
  3. Step 3: Cross multiply
    102,913.28x = 154,387.20 × 32,814.08
  4. Step 4: Simplify right side
    102,913.28x = 5,066,073,931.78
  5. Step 5: Solve for x
    x = 5,066,073,931.78/102,913.28
  6. Step 6: Final answer
    x = 49,226.63

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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.