Home / 50,712.86-76,069.30-19,114.36

Finding the Fourth Proportional to 50,712.86, 76,069.30 and 19,114.36

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Solution

The fourth proportional to 50,712.86, 76,069.30 and 19,114.36 is: 28,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,712.86 : 76,069.30 = 19,114.36 : x
  2. Step 2: Convert to fraction form
    50,712.86/76,069.30 = 19,114.36/x
  3. Step 3: Cross multiply
    50,712.86x = 76,069.30 × 19,114.36
  4. Step 4: Simplify right side
    50,712.86x = 1,454,015,985.15
  5. Step 5: Solve for x
    x = 1,454,015,985.15/50,712.86
  6. Step 6: Final answer
    x = 28,671.54

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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.