Home / 50,945.40-76,475.70-39,310.20

Finding the Fourth Proportional to 50,945.40, 76,475.70 and 39,310.20

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Solution

The fourth proportional to 50,945.40, 76,475.70 and 39,310.20 is: 59,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,945.40 : 76,475.70 = 39,310.20 : x
  2. Step 2: Convert to fraction form
    50,945.40/76,475.70 = 39,310.20/x
  3. Step 3: Cross multiply
    50,945.40x = 76,475.70 × 39,310.20
  4. Step 4: Simplify right side
    50,945.40x = 3,006,275,062.14
  5. Step 5: Solve for x
    x = 3,006,275,062.14/50,945.40
  6. Step 6: Final answer
    x = 59,009.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.