Home / 90,297.36-124,600.12-50,000.96

Finding the Fourth Proportional to 90,297.36, 124,600.12 and 50,000.96

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Solution

The fourth proportional to 90,297.36, 124,600.12 and 50,000.96 is: 68,995.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,297.36 : 124,600.12 = 50,000.96 : x
  2. Step 2: Convert to fraction form
    90,297.36/124,600.12 = 50,000.96/x
  3. Step 3: Cross multiply
    90,297.36x = 124,600.12 × 50,000.96
  4. Step 4: Simplify right side
    90,297.36x = 6,230,125,616.12
  5. Step 5: Solve for x
    x = 6,230,125,616.12/90,297.36
  6. Step 6: Final answer
    x = 68,995.66

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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.