Home / 50,486.06-69,660.53-31,612.25

Finding the Fourth Proportional to 50,486.06, 69,660.53 and 31,612.25

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Solution

The fourth proportional to 50,486.06, 69,660.53 and 31,612.25 is: 43,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,486.06 : 69,660.53 = 31,612.25 : x
  2. Step 2: Convert to fraction form
    50,486.06/69,660.53 = 31,612.25/x
  3. Step 3: Cross multiply
    50,486.06x = 69,660.53 × 31,612.25
  4. Step 4: Simplify right side
    50,486.06x = 2,202,126,089.49
  5. Step 5: Solve for x
    x = 2,202,126,089.49/50,486.06
  6. Step 6: Final answer
    x = 43,618.50

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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.