Home / 90,431.52-124,796.99-50,146.98

Finding the Fourth Proportional to 90,431.52, 124,796.99 and 50,146.98

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Solution

The fourth proportional to 90,431.52, 124,796.99 and 50,146.98 is: 69,203.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,431.52 : 124,796.99 = 50,146.98 : x
  2. Step 2: Convert to fraction form
    90,431.52/124,796.99 = 50,146.98/x
  3. Step 3: Cross multiply
    90,431.52x = 124,796.99 × 50,146.98
  4. Step 4: Simplify right side
    90,431.52x = 6,258,192,161.59
  5. Step 5: Solve for x
    x = 6,258,192,161.59/90,431.52
  6. Step 6: Final answer
    x = 69,203.66

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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.