Home / 112,326.74-168,486.87-45,750.41

Finding the Fourth Proportional to 112,326.74, 168,486.87 and 45,750.41

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Solution

The fourth proportional to 112,326.74, 168,486.87 and 45,750.41 is: 68,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,326.74 : 168,486.87 = 45,750.41 : x
  2. Step 2: Convert to fraction form
    112,326.74/168,486.87 = 45,750.41/x
  3. Step 3: Cross multiply
    112,326.74x = 168,486.87 × 45,750.41
  4. Step 4: Simplify right side
    112,326.74x = 7,708,343,382.12
  5. Step 5: Solve for x
    x = 7,708,343,382.12/112,326.74
  6. Step 6: Final answer
    x = 68,624.30

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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.