Home / 52,627.64-72,625.28-28,753.80

Finding the Fourth Proportional to 52,627.64, 72,625.28 and 28,753.80

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Solution

The fourth proportional to 52,627.64, 72,625.28 and 28,753.80 is: 39,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,627.64 : 72,625.28 = 28,753.80 : x
  2. Step 2: Convert to fraction form
    52,627.64/72,625.28 = 28,753.80/x
  3. Step 3: Cross multiply
    52,627.64x = 72,625.28 × 28,753.80
  4. Step 4: Simplify right side
    52,627.64x = 2,088,252,776.06
  5. Step 5: Solve for x
    x = 2,088,252,776.06/52,627.64
  6. Step 6: Final answer
    x = 39,679.77

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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.