Home / 124,708.05-187,007.40-49,803.30

Finding the Fourth Proportional to 124,708.05, 187,007.40 and 49,803.30

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Solution

The fourth proportional to 124,708.05, 187,007.40 and 49,803.30 is: 74,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,708.05 : 187,007.40 = 49,803.30 : x
  2. Step 2: Convert to fraction form
    124,708.05/187,007.40 = 49,803.30/x
  3. Step 3: Cross multiply
    124,708.05x = 187,007.40 × 49,803.30
  4. Step 4: Simplify right side
    124,708.05x = 9,313,585,644.42
  5. Step 5: Solve for x
    x = 9,313,585,644.42/124,708.05
  6. Step 6: Final answer
    x = 74,683.12

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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.