Home / 50,890.38-70,263.36-31,777.62

Finding the Fourth Proportional to 50,890.38, 70,263.36 and 31,777.62

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Solution

The fourth proportional to 50,890.38, 70,263.36 and 31,777.62 is: 43,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,890.38 : 70,263.36 = 31,777.62 : x
  2. Step 2: Convert to fraction form
    50,890.38/70,263.36 = 31,777.62/x
  3. Step 3: Cross multiply
    50,890.38x = 70,263.36 × 31,777.62
  4. Step 4: Simplify right side
    50,890.38x = 2,232,802,354.00
  5. Step 5: Solve for x
    x = 2,232,802,354.00/50,890.38
  6. Step 6: Final answer
    x = 43,874.74

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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.