Home / 90,498.10-124,855.62-52,256.56

Finding the Fourth Proportional to 90,498.10, 124,855.62 and 52,256.56

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Solution

The fourth proportional to 90,498.10, 124,855.62 and 52,256.56 is: 72,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,498.10 : 124,855.62 = 52,256.56 : x
  2. Step 2: Convert to fraction form
    90,498.10/124,855.62 = 52,256.56/x
  3. Step 3: Cross multiply
    90,498.10x = 124,855.62 × 52,256.56
  4. Step 4: Simplify right side
    90,498.10x = 6,524,525,197.87
  5. Step 5: Solve for x
    x = 6,524,525,197.87/90,498.10
  6. Step 6: Final answer
    x = 72,095.71

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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.