Home / 99,113.58-136,777.73-53,791.94

Finding the Fourth Proportional to 99,113.58, 136,777.73 and 53,791.94

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Solution

The fourth proportional to 99,113.58, 136,777.73 and 53,791.94 is: 74,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,113.58 : 136,777.73 = 53,791.94 : x
  2. Step 2: Convert to fraction form
    99,113.58/136,777.73 = 53,791.94/x
  3. Step 3: Cross multiply
    99,113.58x = 136,777.73 × 53,791.94
  4. Step 4: Simplify right side
    99,113.58x = 7,357,539,518.48
  5. Step 5: Solve for x
    x = 7,357,539,518.48/99,113.58
  6. Step 6: Final answer
    x = 74,233.42

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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.