Home / 74,370.56-102,671.42-57,337.47

Finding the Fourth Proportional to 74,370.56, 102,671.42 and 57,337.47

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Solution

The fourth proportional to 74,370.56, 102,671.42 and 57,337.47 is: 79,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,370.56 : 102,671.42 = 57,337.47 : x
  2. Step 2: Convert to fraction form
    74,370.56/102,671.42 = 57,337.47/x
  3. Step 3: Cross multiply
    74,370.56x = 102,671.42 × 57,337.47
  4. Step 4: Simplify right side
    74,370.56x = 5,886,919,177.42
  5. Step 5: Solve for x
    x = 5,886,919,177.42/74,370.56
  6. Step 6: Final answer
    x = 79,156.59

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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.