Home / 90,498.54-124,887.84-50,218.44

Finding the Fourth Proportional to 90,498.54, 124,887.84 and 50,218.44

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Solution

The fourth proportional to 90,498.54, 124,887.84 and 50,218.44 is: 69,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,498.54 : 124,887.84 = 50,218.44 : x
  2. Step 2: Convert to fraction form
    90,498.54/124,887.84 = 50,218.44/x
  3. Step 3: Cross multiply
    90,498.54x = 124,887.84 × 50,218.44
  4. Step 4: Simplify right side
    90,498.54x = 6,271,672,499.77
  5. Step 5: Solve for x
    x = 6,271,672,499.77/90,498.54
  6. Step 6: Final answer
    x = 69,301.37

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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.