Home / 112,625.65-168,963.32-42,505.57

Finding the Fourth Proportional to 112,625.65, 168,963.32 and 42,505.57

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Solution

The fourth proportional to 112,625.65, 168,963.32 and 42,505.57 is: 63,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,625.65 : 168,963.32 = 42,505.57 : x
  2. Step 2: Convert to fraction form
    112,625.65/168,963.32 = 42,505.57/x
  3. Step 3: Cross multiply
    112,625.65x = 168,963.32 × 42,505.57
  4. Step 4: Simplify right side
    112,625.65x = 7,181,882,225.69
  5. Step 5: Solve for x
    x = 7,181,882,225.69/112,625.65
  6. Step 6: Final answer
    x = 63,767.73

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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.