Home / 57,428.34-79,233.30-33,537.78

Finding the Fourth Proportional to 57,428.34, 79,233.30 and 33,537.78

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Solution

The fourth proportional to 57,428.34, 79,233.30 and 33,537.78 is: 46,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,428.34 : 79,233.30 = 33,537.78 : x
  2. Step 2: Convert to fraction form
    57,428.34/79,233.30 = 33,537.78/x
  3. Step 3: Cross multiply
    57,428.34x = 79,233.30 × 33,537.78
  4. Step 4: Simplify right side
    57,428.34x = 2,657,308,984.07
  5. Step 5: Solve for x
    x = 2,657,308,984.07/57,428.34
  6. Step 6: Final answer
    x = 46,271.74

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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.