Home / 98,629.38-136,106.01-53,914.50

Finding the Fourth Proportional to 98,629.38, 136,106.01 and 53,914.50

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Solution

The fourth proportional to 98,629.38, 136,106.01 and 53,914.50 is: 74,400.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,629.38 : 136,106.01 = 53,914.50 : x
  2. Step 2: Convert to fraction form
    98,629.38/136,106.01 = 53,914.50/x
  3. Step 3: Cross multiply
    98,629.38x = 136,106.01 × 53,914.50
  4. Step 4: Simplify right side
    98,629.38x = 7,338,087,476.15
  5. Step 5: Solve for x
    x = 7,338,087,476.15/98,629.38
  6. Step 6: Final answer
    x = 74,400.62

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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.