Home / 79,346.19-109,480.64-45,792.75

Finding the Fourth Proportional to 79,346.19, 109,480.64 and 45,792.75

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Solution

The fourth proportional to 79,346.19, 109,480.64 and 45,792.75 is: 63,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,346.19 : 109,480.64 = 45,792.75 : x
  2. Step 2: Convert to fraction form
    79,346.19/109,480.64 = 45,792.75/x
  3. Step 3: Cross multiply
    79,346.19x = 109,480.64 × 45,792.75
  4. Step 4: Simplify right side
    79,346.19x = 5,013,419,348.40
  5. Step 5: Solve for x
    x = 5,013,419,348.40/79,346.19
  6. Step 6: Final answer
    x = 63,184.12

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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.