Home / 79,370.55-109,527.93-43,561.17

Finding the Fourth Proportional to 79,370.55, 109,527.93 and 43,561.17

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Solution

The fourth proportional to 79,370.55, 109,527.93 and 43,561.17 is: 60,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370.55 : 109,527.93 = 43,561.17 : x
  2. Step 2: Convert to fraction form
    79,370.55/109,527.93 = 43,561.17/x
  3. Step 3: Cross multiply
    79,370.55x = 109,527.93 × 43,561.17
  4. Step 4: Simplify right side
    79,370.55x = 4,771,164,778.48
  5. Step 5: Solve for x
    x = 4,771,164,778.48/79,370.55
  6. Step 6: Final answer
    x = 60,112.53

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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.