Home / 80,484.36-111,073.61-46,494.28

Finding the Fourth Proportional to 80,484.36, 111,073.61 and 46,494.28

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Solution

The fourth proportional to 80,484.36, 111,073.61 and 46,494.28 is: 64,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,484.36 : 111,073.61 = 46,494.28 : x
  2. Step 2: Convert to fraction form
    80,484.36/111,073.61 = 46,494.28/x
  3. Step 3: Cross multiply
    80,484.36x = 111,073.61 × 46,494.28
  4. Step 4: Simplify right side
    80,484.36x = 5,164,287,523.95
  5. Step 5: Solve for x
    x = 5,164,287,523.95/80,484.36
  6. Step 6: Final answer
    x = 64,165.11

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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.