Home / 98,925.90-136,517.31-53,604.06

Finding the Fourth Proportional to 98,925.90, 136,517.31 and 53,604.06

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Solution

The fourth proportional to 98,925.90, 136,517.31 and 53,604.06 is: 73,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,925.90 : 136,517.31 = 53,604.06 : x
  2. Step 2: Convert to fraction form
    98,925.90/136,517.31 = 53,604.06/x
  3. Step 3: Cross multiply
    98,925.90x = 136,517.31 × 53,604.06
  4. Step 4: Simplify right side
    98,925.90x = 7,317,882,076.28
  5. Step 5: Solve for x
    x = 7,317,882,076.28/98,925.90
  6. Step 6: Final answer
    x = 73,973.37

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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.