Home / 60,255.36-90,382.58-18,135.24

Finding the Fourth Proportional to 60,255.36, 90,382.58 and 18,135.24

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Solution

The fourth proportional to 60,255.36, 90,382.58 and 18,135.24 is: 27,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,255.36 : 90,382.58 = 18,135.24 : x
  2. Step 2: Convert to fraction form
    60,255.36/90,382.58 = 18,135.24/x
  3. Step 3: Cross multiply
    60,255.36x = 90,382.58 × 18,135.24
  4. Step 4: Simplify right side
    60,255.36x = 1,639,109,780.12
  5. Step 5: Solve for x
    x = 1,639,109,780.12/60,255.36
  6. Step 6: Final answer
    x = 27,202.72

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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.