Home / 79,316.25-109,460.75-45,793.05

Finding the Fourth Proportional to 79,316.25, 109,460.75 and 45,793.05

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Solution

The fourth proportional to 79,316.25, 109,460.75 and 45,793.05 is: 63,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.25 : 109,460.75 = 45,793.05 : x
  2. Step 2: Convert to fraction form
    79,316.25/109,460.75 = 45,793.05/x
  3. Step 3: Cross multiply
    79,316.25x = 109,460.75 × 45,793.05
  4. Step 4: Simplify right side
    79,316.25x = 5,012,541,368.82
  5. Step 5: Solve for x
    x = 5,012,541,368.82/79,316.25
  6. Step 6: Final answer
    x = 63,196.90

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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.