Home / 52,777.11-72,832.52-28,578.34

Finding the Fourth Proportional to 52,777.11, 72,832.52 and 28,578.34

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Solution

The fourth proportional to 52,777.11, 72,832.52 and 28,578.34 is: 39,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.11 : 72,832.52 = 28,578.34 : x
  2. Step 2: Convert to fraction form
    52,777.11/72,832.52 = 28,578.34/x
  3. Step 3: Cross multiply
    52,777.11x = 72,832.52 × 28,578.34
  4. Step 4: Simplify right side
    52,777.11x = 2,081,432,408.98
  5. Step 5: Solve for x
    x = 2,081,432,408.98/52,777.11
  6. Step 6: Final answer
    x = 39,438.17

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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.