Home / 98,914-136,501.32-54,201.04

Finding the Fourth Proportional to 98,914, 136,501.32 and 54,201.04

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Solution

The fourth proportional to 98,914, 136,501.32 and 54,201.04 is: 74,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,914 : 136,501.32 = 54,201.04 : x
  2. Step 2: Convert to fraction form
    98,914/136,501.32 = 54,201.04/x
  3. Step 3: Cross multiply
    98,914x = 136,501.32 × 54,201.04
  4. Step 4: Simplify right side
    98,914x = 7,398,513,505.37
  5. Step 5: Solve for x
    x = 7,398,513,505.37/98,914
  6. Step 6: Final answer
    x = 74,797.44

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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.