Home / 79,547.72-109,776.26-43,740.04

Finding the Fourth Proportional to 79,547.72, 109,776.26 and 43,740.04

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Solution

The fourth proportional to 79,547.72, 109,776.26 and 43,740.04 is: 60,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,547.72 : 109,776.26 = 43,740.04 : x
  2. Step 2: Convert to fraction form
    79,547.72/109,776.26 = 43,740.04/x
  3. Step 3: Cross multiply
    79,547.72x = 109,776.26 × 43,740.04
  4. Step 4: Simplify right side
    79,547.72x = 4,801,617,454.57
  5. Step 5: Solve for x
    x = 4,801,617,454.57/79,547.72
  6. Step 6: Final answer
    x = 60,361.48

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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.