Home / 102,621-153,892.27-49,297.79

Finding the Fourth Proportional to 102,621, 153,892.27 and 49,297.79

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Solution

The fourth proportional to 102,621, 153,892.27 and 49,297.79 is: 73,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,621 : 153,892.27 = 49,297.79 : x
  2. Step 2: Convert to fraction form
    102,621/153,892.27 = 49,297.79/x
  3. Step 3: Cross multiply
    102,621x = 153,892.27 × 49,297.79
  4. Step 4: Simplify right side
    102,621x = 7,586,547,793.13
  5. Step 5: Solve for x
    x = 7,586,547,793.13/102,621
  6. Step 6: Final answer
    x = 73,927.83

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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.