Home / 112,795.53-155,657.84-67,475.43

Finding the Fourth Proportional to 112,795.53, 155,657.84 and 67,475.43

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Solution

The fourth proportional to 112,795.53, 155,657.84 and 67,475.43 is: 93,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,795.53 : 155,657.84 = 67,475.43 : x
  2. Step 2: Convert to fraction form
    112,795.53/155,657.84 = 67,475.43/x
  3. Step 3: Cross multiply
    112,795.53x = 155,657.84 × 67,475.43
  4. Step 4: Simplify right side
    112,795.53x = 10,503,078,908.58
  5. Step 5: Solve for x
    x = 10,503,078,908.58/112,795.53
  6. Step 6: Final answer
    x = 93,116.09

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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.