Home / 52,579.68-78,827.64-30,367.92

Finding the Fourth Proportional to 52,579.68, 78,827.64 and 30,367.92

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Solution

The fourth proportional to 52,579.68, 78,827.64 and 30,367.92 is: 45,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,579.68 : 78,827.64 = 30,367.92 : x
  2. Step 2: Convert to fraction form
    52,579.68/78,827.64 = 30,367.92/x
  3. Step 3: Cross multiply
    52,579.68x = 78,827.64 × 30,367.92
  4. Step 4: Simplify right side
    52,579.68x = 2,393,831,465.31
  5. Step 5: Solve for x
    x = 2,393,831,465.31/52,579.68
  6. Step 6: Final answer
    x = 45,527.69

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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.