Home / 52,734.93-78,977.66-45,771.77

Finding the Fourth Proportional to 52,734.93, 78,977.66 and 45,771.77

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Solution

The fourth proportional to 52,734.93, 78,977.66 and 45,771.77 is: 68,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,734.93 : 78,977.66 = 45,771.77 : x
  2. Step 2: Convert to fraction form
    52,734.93/78,977.66 = 45,771.77/x
  3. Step 3: Cross multiply
    52,734.93x = 78,977.66 × 45,771.77
  4. Step 4: Simplify right side
    52,734.93x = 3,614,946,664.91
  5. Step 5: Solve for x
    x = 3,614,946,664.91/52,734.93
  6. Step 6: Final answer
    x = 68,549.38

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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.