Home / 90,599.04-135,947.44-53,232.12

Finding the Fourth Proportional to 90,599.04, 135,947.44 and 53,232.12

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Solution

The fourth proportional to 90,599.04, 135,947.44 and 53,232.12 is: 79,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,599.04 : 135,947.44 = 53,232.12 : x
  2. Step 2: Convert to fraction form
    90,599.04/135,947.44 = 53,232.12/x
  3. Step 3: Cross multiply
    90,599.04x = 135,947.44 × 53,232.12
  4. Step 4: Simplify right side
    90,599.04x = 7,236,770,439.77
  5. Step 5: Solve for x
    x = 7,236,770,439.77/90,599.04
  6. Step 6: Final answer
    x = 79,876.90

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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.