Home / 88,975.28-133,615.56-79,002.56

Finding the Fourth Proportional to 88,975.28, 133,615.56 and 79,002.56

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Solution

The fourth proportional to 88,975.28, 133,615.56 and 79,002.56 is: 118,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,975.28 : 133,615.56 = 79,002.56 : x
  2. Step 2: Convert to fraction form
    88,975.28/133,615.56 = 79,002.56/x
  3. Step 3: Cross multiply
    88,975.28x = 133,615.56 × 79,002.56
  4. Step 4: Simplify right side
    88,975.28x = 10,555,971,295.83
  5. Step 5: Solve for x
    x = 10,555,971,295.83/88,975.28
  6. Step 6: Final answer
    x = 118,639.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.