Home / 99,738.10-149,482.41-49,832.17

Finding the Fourth Proportional to 99,738.10, 149,482.41 and 49,832.17

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Solution

The fourth proportional to 99,738.10, 149,482.41 and 49,832.17 is: 74,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,738.10 : 149,482.41 = 49,832.17 : x
  2. Step 2: Convert to fraction form
    99,738.10/149,482.41 = 49,832.17/x
  3. Step 3: Cross multiply
    99,738.10x = 149,482.41 × 49,832.17
  4. Step 4: Simplify right side
    99,738.10x = 7,449,032,867.13
  5. Step 5: Solve for x
    x = 7,449,032,867.13/99,738.10
  6. Step 6: Final answer
    x = 74,685.93

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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.