Home / 98,844.22-136,414.79-56,409.13

Finding the Fourth Proportional to 98,844.22, 136,414.79 and 56,409.13

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Solution

The fourth proportional to 98,844.22, 136,414.79 and 56,409.13 is: 77,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,844.22 : 136,414.79 = 56,409.13 : x
  2. Step 2: Convert to fraction form
    98,844.22/136,414.79 = 56,409.13/x
  3. Step 3: Cross multiply
    98,844.22x = 136,414.79 × 56,409.13
  4. Step 4: Simplify right side
    98,844.22x = 7,695,039,623.03
  5. Step 5: Solve for x
    x = 7,695,039,623.03/98,844.22
  6. Step 6: Final answer
    x = 77,850.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.