Home / 90,043.24-135,064.92-23,483.20

Finding the Fourth Proportional to 90,043.24, 135,064.92 and 23,483.20

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Solution

The fourth proportional to 90,043.24, 135,064.92 and 23,483.20 is: 35,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,043.24 : 135,064.92 = 23,483.20 : x
  2. Step 2: Convert to fraction form
    90,043.24/135,064.92 = 23,483.20/x
  3. Step 3: Cross multiply
    90,043.24x = 135,064.92 × 23,483.20
  4. Step 4: Simplify right side
    90,043.24x = 3,171,756,529.34
  5. Step 5: Solve for x
    x = 3,171,756,529.34/90,043.24
  6. Step 6: Final answer
    x = 35,224.82

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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.