Home / 112,795.43-155,657.66-67,475.31

Finding the Fourth Proportional to 112,795.43, 155,657.66 and 67,475.31

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Solution

The fourth proportional to 112,795.43, 155,657.66 and 67,475.31 is: 93,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,795.43 : 155,657.66 = 67,475.31 : x
  2. Step 2: Convert to fraction form
    112,795.43/155,657.66 = 67,475.31/x
  3. Step 3: Cross multiply
    112,795.43x = 155,657.66 × 67,475.31
  4. Step 4: Simplify right side
    112,795.43x = 10,503,048,525.00
  5. Step 5: Solve for x
    x = 10,503,048,525.00/112,795.43
  6. Step 6: Final answer
    x = 93,115.91

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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.