Home / 52,733.28-72,772.04-28,860.15

Finding the Fourth Proportional to 52,733.28, 72,772.04 and 28,860.15

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Solution

The fourth proportional to 52,733.28, 72,772.04 and 28,860.15 is: 39,827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,733.28 : 72,772.04 = 28,860.15 : x
  2. Step 2: Convert to fraction form
    52,733.28/72,772.04 = 28,860.15/x
  3. Step 3: Cross multiply
    52,733.28x = 72,772.04 × 28,860.15
  4. Step 4: Simplify right side
    52,733.28x = 2,100,211,990.21
  5. Step 5: Solve for x
    x = 2,100,211,990.21/52,733.28
  6. Step 6: Final answer
    x = 39,827.07

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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.