Home / 98,815.97-136,365.88-53,493.94

Finding the Fourth Proportional to 98,815.97, 136,365.88 and 53,493.94

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Solution

The fourth proportional to 98,815.97, 136,365.88 and 53,493.94 is: 73,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,815.97 : 136,365.88 = 53,493.94 : x
  2. Step 2: Convert to fraction form
    98,815.97/136,365.88 = 53,493.94/x
  3. Step 3: Cross multiply
    98,815.97x = 136,365.88 × 53,493.94
  4. Step 4: Simplify right side
    98,815.97x = 7,294,747,253.47
  5. Step 5: Solve for x
    x = 7,294,747,253.47/98,815.97
  6. Step 6: Final answer
    x = 73,821.55

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1.5x scale

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.