Home / 90,376.48-124,716.24-54,563.12

Finding the Fourth Proportional to 90,376.48, 124,716.24 and 54,563.12

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Solution

The fourth proportional to 90,376.48, 124,716.24 and 54,563.12 is: 75,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,376.48 : 124,716.24 = 54,563.12 : x
  2. Step 2: Convert to fraction form
    90,376.48/124,716.24 = 54,563.12/x
  3. Step 3: Cross multiply
    90,376.48x = 124,716.24 × 54,563.12
  4. Step 4: Simplify right side
    90,376.48x = 6,804,907,169.07
  5. Step 5: Solve for x
    x = 6,804,907,169.07/90,376.48
  6. Step 6: Final answer
    x = 75,295.11

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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.