Home / 90,015.96-124,232.58-54,224.04

Finding the Fourth Proportional to 90,015.96, 124,232.58 and 54,224.04

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Solution

The fourth proportional to 90,015.96, 124,232.58 and 54,224.04 is: 74,835.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,015.96 : 124,232.58 = 54,224.04 : x
  2. Step 2: Convert to fraction form
    90,015.96/124,232.58 = 54,224.04/x
  3. Step 3: Cross multiply
    90,015.96x = 124,232.58 × 54,224.04
  4. Step 4: Simplify right side
    90,015.96x = 6,736,392,387.22
  5. Step 5: Solve for x
    x = 6,736,392,387.22/90,015.96
  6. Step 6: Final answer
    x = 74,835.53

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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.