Home / 83,913.61-125,795.53-31,325.53

Finding the Fourth Proportional to 83,913.61, 125,795.53 and 31,325.53

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Solution

The fourth proportional to 83,913.61, 125,795.53 and 31,325.53 is: 46,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,913.61 : 125,795.53 = 31,325.53 : x
  2. Step 2: Convert to fraction form
    83,913.61/125,795.53 = 31,325.53/x
  3. Step 3: Cross multiply
    83,913.61x = 125,795.53 × 31,325.53
  4. Step 4: Simplify right side
    83,913.61x = 3,940,611,648.88
  5. Step 5: Solve for x
    x = 3,940,611,648.88/83,913.61
  6. Step 6: Final answer
    x = 46,960.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.