Home / 98,838.81-136,397.79-53,517.33

Finding the Fourth Proportional to 98,838.81, 136,397.79 and 53,517.33

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Solution

The fourth proportional to 98,838.81, 136,397.79 and 53,517.33 is: 73,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,838.81 : 136,397.79 = 53,517.33 : x
  2. Step 2: Convert to fraction form
    98,838.81/136,397.79 = 53,517.33/x
  3. Step 3: Cross multiply
    98,838.81x = 136,397.79 × 53,517.33
  4. Step 4: Simplify right side
    98,838.81x = 7,299,645,538.70
  5. Step 5: Solve for x
    x = 7,299,645,538.70/98,838.81
  6. Step 6: Final answer
    x = 73,854.04

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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.