Home / 79,563.45-119,319.66-26,243.46

Finding the Fourth Proportional to 79,563.45, 119,319.66 and 26,243.46

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Solution

The fourth proportional to 79,563.45, 119,319.66 and 26,243.46 is: 39,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,563.45 : 119,319.66 = 26,243.46 : x
  2. Step 2: Convert to fraction form
    79,563.45/119,319.66 = 26,243.46/x
  3. Step 3: Cross multiply
    79,563.45x = 119,319.66 × 26,243.46
  4. Step 4: Simplify right side
    79,563.45x = 3,131,360,724.42
  5. Step 5: Solve for x
    x = 3,131,360,724.42/79,563.45
  6. Step 6: Final answer
    x = 39,356.77

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1.5x scale

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.