Home / 90,704.28-125,169.48-50,417.04

Finding the Fourth Proportional to 90,704.28, 125,169.48 and 50,417.04

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Solution

The fourth proportional to 90,704.28, 125,169.48 and 50,417.04 is: 69,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,704.28 : 125,169.48 = 50,417.04 : x
  2. Step 2: Convert to fraction form
    90,704.28/125,169.48 = 50,417.04/x
  3. Step 3: Cross multiply
    90,704.28x = 125,169.48 × 50,417.04
  4. Step 4: Simplify right side
    90,704.28x = 6,310,674,679.94
  5. Step 5: Solve for x
    x = 6,310,674,679.94/90,704.28
  6. Step 6: Final answer
    x = 69,574.17

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1.5x scale

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.