Home / 100,579.47-150,869.57-34,020.15

Finding the Fourth Proportional to 100,579.47, 150,869.57 and 34,020.15

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Solution

The fourth proportional to 100,579.47, 150,869.57 and 34,020.15 is: 51,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,579.47 : 150,869.57 = 34,020.15 : x
  2. Step 2: Convert to fraction form
    100,579.47/150,869.57 = 34,020.15/x
  3. Step 3: Cross multiply
    100,579.47x = 150,869.57 × 34,020.15
  4. Step 4: Simplify right side
    100,579.47x = 5,132,605,231.73
  5. Step 5: Solve for x
    x = 5,132,605,231.73/100,579.47
  6. Step 6: Final answer
    x = 51,030.35

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1.5x scale

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.