Home / 79,313.10-118,969.86-26,759.46

Finding the Fourth Proportional to 79,313.10, 118,969.86 and 26,759.46

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Solution

The fourth proportional to 79,313.10, 118,969.86 and 26,759.46 is: 40,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,313.10 : 118,969.86 = 26,759.46 : x
  2. Step 2: Convert to fraction form
    79,313.10/118,969.86 = 26,759.46/x
  3. Step 3: Cross multiply
    79,313.10x = 118,969.86 × 26,759.46
  4. Step 4: Simplify right side
    79,313.10x = 3,183,569,209.88
  5. Step 5: Solve for x
    x = 3,183,569,209.88/79,313.10
  6. Step 6: Final answer
    x = 40,139.26

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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.