Home / 52,792.85-72,854.26-28,919.63

Finding the Fourth Proportional to 52,792.85, 72,854.26 and 28,919.63

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Solution

The fourth proportional to 52,792.85, 72,854.26 and 28,919.63 is: 39,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,792.85 : 72,854.26 = 28,919.63 : x
  2. Step 2: Convert to fraction form
    52,792.85/72,854.26 = 28,919.63/x
  3. Step 3: Cross multiply
    52,792.85x = 72,854.26 × 28,919.63
  4. Step 4: Simplify right side
    52,792.85x = 2,106,917,806.55
  5. Step 5: Solve for x
    x = 2,106,917,806.55/52,792.85
  6. Step 6: Final answer
    x = 39,909.15

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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.