Home / 50,822.61-70,134.16-28,161.41

Finding the Fourth Proportional to 50,822.61, 70,134.16 and 28,161.41

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Solution

The fourth proportional to 50,822.61, 70,134.16 and 28,161.41 is: 38,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,822.61 : 70,134.16 = 28,161.41 : x
  2. Step 2: Convert to fraction form
    50,822.61/70,134.16 = 28,161.41/x
  3. Step 3: Cross multiply
    50,822.61x = 70,134.16 × 28,161.41
  4. Step 4: Simplify right side
    50,822.61x = 1,975,076,343.29
  5. Step 5: Solve for x
    x = 1,975,076,343.29/50,822.61
  6. Step 6: Final answer
    x = 38,862.16

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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.