Home / 52,869.43-72,953.08-30,209.88

Finding the Fourth Proportional to 52,869.43, 72,953.08 and 30,209.88

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Solution

The fourth proportional to 52,869.43, 72,953.08 and 30,209.88 is: 41,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.43 : 72,953.08 = 30,209.88 : x
  2. Step 2: Convert to fraction form
    52,869.43/72,953.08 = 30,209.88/x
  3. Step 3: Cross multiply
    52,869.43x = 72,953.08 × 30,209.88
  4. Step 4: Simplify right side
    52,869.43x = 2,203,904,160.41
  5. Step 5: Solve for x
    x = 2,203,904,160.41/52,869.43
  6. Step 6: Final answer
    x = 41,685.80

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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.