Home / 103,003.32-154,574.24-36,443.20

Finding the Fourth Proportional to 103,003.32, 154,574.24 and 36,443.20

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Solution

The fourth proportional to 103,003.32, 154,574.24 and 36,443.20 is: 54,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,003.32 : 154,574.24 = 36,443.20 : x
  2. Step 2: Convert to fraction form
    103,003.32/154,574.24 = 36,443.20/x
  3. Step 3: Cross multiply
    103,003.32x = 154,574.24 × 36,443.20
  4. Step 4: Simplify right side
    103,003.32x = 5,633,179,943.17
  5. Step 5: Solve for x
    x = 5,633,179,943.17/103,003.32
  6. Step 6: Final answer
    x = 54,689.30

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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.