Home / 90,305.28-124,619.99-50,018.92

Finding the Fourth Proportional to 90,305.28, 124,619.99 and 50,018.92

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Solution

The fourth proportional to 90,305.28, 124,619.99 and 50,018.92 is: 69,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,305.28 : 124,619.99 = 50,018.92 : x
  2. Step 2: Convert to fraction form
    90,305.28/124,619.99 = 50,018.92/x
  3. Step 3: Cross multiply
    90,305.28x = 124,619.99 × 50,018.92
  4. Step 4: Simplify right side
    90,305.28x = 6,233,356,748.57
  5. Step 5: Solve for x
    x = 6,233,356,748.57/90,305.28
  6. Step 6: Final answer
    x = 69,025.39

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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.