Home / 113,910.09-170,899.77-53,984.46

Finding the Fourth Proportional to 113,910.09, 170,899.77 and 53,984.46

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Solution

The fourth proportional to 113,910.09, 170,899.77 and 53,984.46 is: 80,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,910.09 : 170,899.77 = 53,984.46 : x
  2. Step 2: Convert to fraction form
    113,910.09/170,899.77 = 53,984.46/x
  3. Step 3: Cross multiply
    113,910.09x = 170,899.77 × 53,984.46
  4. Step 4: Simplify right side
    113,910.09x = 9,225,931,797.57
  5. Step 5: Solve for x
    x = 9,225,931,797.57/113,910.09
  6. Step 6: Final answer
    x = 80,993.10

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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.