Home / 52,401.64-72,314.70-28,528.48

Finding the Fourth Proportional to 52,401.64, 72,314.70 and 28,528.48

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Solution

The fourth proportional to 52,401.64, 72,314.70 and 28,528.48 is: 39,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.64 : 72,314.70 = 28,528.48 : x
  2. Step 2: Convert to fraction form
    52,401.64/72,314.70 = 28,528.48/x
  3. Step 3: Cross multiply
    52,401.64x = 72,314.70 × 28,528.48
  4. Step 4: Simplify right side
    52,401.64x = 2,063,028,472.66
  5. Step 5: Solve for x
    x = 2,063,028,472.66/52,401.64
  6. Step 6: Final answer
    x = 39,369.54

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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.