Home / 79,348.44-109,483.74-45,795

Finding the Fourth Proportional to 79,348.44, 109,483.74 and 45,795

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Solution

The fourth proportional to 79,348.44, 109,483.74 and 45,795 is: 63,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,348.44 : 109,483.74 = 45,795 : x
  2. Step 2: Convert to fraction form
    79,348.44/109,483.74 = 45,795/x
  3. Step 3: Cross multiply
    79,348.44x = 109,483.74 × 45,795
  4. Step 4: Simplify right side
    79,348.44x = 5,013,807,873.30
  5. Step 5: Solve for x
    x = 5,013,807,873.30/79,348.44
  6. Step 6: Final answer
    x = 63,187.23

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1.5x scale

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.