Home / 74,657.28-103,027.05-41,123.28

Finding the Fourth Proportional to 74,657.28, 103,027.05 and 41,123.28

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Solution

The fourth proportional to 74,657.28, 103,027.05 and 41,123.28 is: 56,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,657.28 : 103,027.05 = 41,123.28 : x
  2. Step 2: Convert to fraction form
    74,657.28/103,027.05 = 41,123.28/x
  3. Step 3: Cross multiply
    74,657.28x = 103,027.05 × 41,123.28
  4. Step 4: Simplify right side
    74,657.28x = 4,236,810,224.72
  5. Step 5: Solve for x
    x = 4,236,810,224.72/74,657.28
  6. Step 6: Final answer
    x = 56,750.13

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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.