Home / 113,913.94-157,135.53-68,560.42

Finding the Fourth Proportional to 113,913.94, 157,135.53 and 68,560.42

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Solution

The fourth proportional to 113,913.94, 157,135.53 and 68,560.42 is: 94,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,913.94 : 157,135.53 = 68,560.42 : x
  2. Step 2: Convert to fraction form
    113,913.94/157,135.53 = 68,560.42/x
  3. Step 3: Cross multiply
    113,913.94x = 157,135.53 × 68,560.42
  4. Step 4: Simplify right side
    113,913.94x = 10,773,277,933.72
  5. Step 5: Solve for x
    x = 10,773,277,933.72/113,913.94
  6. Step 6: Final answer
    x = 94,573.83

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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.