Home / 52,792.20-72,854.16-28,917.34

Finding the Fourth Proportional to 52,792.20, 72,854.16 and 28,917.34

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Solution

The fourth proportional to 52,792.20, 72,854.16 and 28,917.34 is: 39,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,792.20 : 72,854.16 = 28,917.34 : x
  2. Step 2: Convert to fraction form
    52,792.20/72,854.16 = 28,917.34/x
  3. Step 3: Cross multiply
    52,792.20x = 72,854.16 × 28,917.34
  4. Step 4: Simplify right side
    52,792.20x = 2,106,748,515.13
  5. Step 5: Solve for x
    x = 2,106,748,515.13/52,792.20
  6. Step 6: Final answer
    x = 39,906.44

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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.