Home / 112,451.12-168,723.54-49,316.55

Finding the Fourth Proportional to 112,451.12, 168,723.54 and 49,316.55

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Solution

The fourth proportional to 112,451.12, 168,723.54 and 49,316.55 is: 73,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,451.12 : 168,723.54 = 49,316.55 : x
  2. Step 2: Convert to fraction form
    112,451.12/168,723.54 = 49,316.55/x
  3. Step 3: Cross multiply
    112,451.12x = 168,723.54 × 49,316.55
  4. Step 4: Simplify right side
    112,451.12x = 8,320,863,344.36
  5. Step 5: Solve for x
    x = 8,320,863,344.36/112,451.12
  6. Step 6: Final answer
    x = 73,995.38

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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.