Home / 52,546.86-72,516-28,673.94

Finding the Fourth Proportional to 52,546.86, 72,516 and 28,673.94

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Solution

The fourth proportional to 52,546.86, 72,516 and 28,673.94 is: 39,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,546.86 : 72,516 = 28,673.94 : x
  2. Step 2: Convert to fraction form
    52,546.86/72,516 = 28,673.94/x
  3. Step 3: Cross multiply
    52,546.86x = 72,516 × 28,673.94
  4. Step 4: Simplify right side
    52,546.86x = 2,079,319,433.04
  5. Step 5: Solve for x
    x = 2,079,319,433.04/52,546.86
  6. Step 6: Final answer
    x = 39,570.76

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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.