Home / 74,243.35-102,454.57-41,977.43

Finding the Fourth Proportional to 74,243.35, 102,454.57 and 41,977.43

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Solution

The fourth proportional to 74,243.35, 102,454.57 and 41,977.43 is: 57,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,243.35 : 102,454.57 = 41,977.43 : x
  2. Step 2: Convert to fraction form
    74,243.35/102,454.57 = 41,977.43/x
  3. Step 3: Cross multiply
    74,243.35x = 102,454.57 × 41,977.43
  4. Step 4: Simplify right side
    74,243.35x = 4,300,779,330.47
  5. Step 5: Solve for x
    x = 4,300,779,330.47/74,243.35
  6. Step 6: Final answer
    x = 57,928.14

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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.