Home / 90,461.48-124,832.44-50,171.66

Finding the Fourth Proportional to 90,461.48, 124,832.44 and 50,171.66

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Solution

The fourth proportional to 90,461.48, 124,832.44 and 50,171.66 is: 69,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,461.48 : 124,832.44 = 50,171.66 : x
  2. Step 2: Convert to fraction form
    90,461.48/124,832.44 = 50,171.66/x
  3. Step 3: Cross multiply
    90,461.48x = 124,832.44 × 50,171.66
  4. Step 4: Simplify right side
    90,461.48x = 6,263,050,736.65
  5. Step 5: Solve for x
    x = 6,263,050,736.65/90,461.48
  6. Step 6: Final answer
    x = 69,234.45

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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.