Home / 79,127.07-109,195.46-43,317.17

Finding the Fourth Proportional to 79,127.07, 109,195.46 and 43,317.17

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Solution

The fourth proportional to 79,127.07, 109,195.46 and 43,317.17 is: 59,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,127.07 : 109,195.46 = 43,317.17 : x
  2. Step 2: Convert to fraction form
    79,127.07/109,195.46 = 43,317.17/x
  3. Step 3: Cross multiply
    79,127.07x = 109,195.46 × 43,317.17
  4. Step 4: Simplify right side
    79,127.07x = 4,730,038,304.05
  5. Step 5: Solve for x
    x = 4,730,038,304.05/79,127.07
  6. Step 6: Final answer
    x = 59,777.75

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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.