Home / 57,646.07-79,569.30-33,780.43

Finding the Fourth Proportional to 57,646.07, 79,569.30 and 33,780.43

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Solution

The fourth proportional to 57,646.07, 79,569.30 and 33,780.43 is: 46,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,646.07 : 79,569.30 = 33,780.43 : x
  2. Step 2: Convert to fraction form
    57,646.07/79,569.30 = 33,780.43/x
  3. Step 3: Cross multiply
    57,646.07x = 79,569.30 × 33,780.43
  4. Step 4: Simplify right side
    57,646.07x = 2,687,885,168.80
  5. Step 5: Solve for x
    x = 2,687,885,168.80/57,646.07
  6. Step 6: Final answer
    x = 46,627.38

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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.