Home / 90,037.24-135,055.92-23,477.20

Finding the Fourth Proportional to 90,037.24, 135,055.92 and 23,477.20

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Solution

The fourth proportional to 90,037.24, 135,055.92 and 23,477.20 is: 35,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,037.24 : 135,055.92 = 23,477.20 : x
  2. Step 2: Convert to fraction form
    90,037.24/135,055.92 = 23,477.20/x
  3. Step 3: Cross multiply
    90,037.24x = 135,055.92 × 23,477.20
  4. Step 4: Simplify right side
    90,037.24x = 3,170,734,845.02
  5. Step 5: Solve for x
    x = 3,170,734,845.02/90,037.24
  6. Step 6: Final answer
    x = 35,215.82

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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.