Home / 50,456.96-69,126.40-48,565.20

Finding the Fourth Proportional to 50,456.96, 69,126.40 and 48,565.20

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Solution

The fourth proportional to 50,456.96, 69,126.40 and 48,565.20 is: 66,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,456.96 : 69,126.40 = 48,565.20 : x
  2. Step 2: Convert to fraction form
    50,456.96/69,126.40 = 48,565.20/x
  3. Step 3: Cross multiply
    50,456.96x = 69,126.40 × 48,565.20
  4. Step 4: Simplify right side
    50,456.96x = 3,357,137,441.28
  5. Step 5: Solve for x
    x = 3,357,137,441.28/50,456.96
  6. Step 6: Final answer
    x = 66,534.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.