Home / 74,621.68-103,027.56-57,363.46

Finding the Fourth Proportional to 74,621.68, 103,027.56 and 57,363.46

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Solution

The fourth proportional to 74,621.68, 103,027.56 and 57,363.46 is: 79,199.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,621.68 : 103,027.56 = 57,363.46 : x
  2. Step 2: Convert to fraction form
    74,621.68/103,027.56 = 57,363.46/x
  3. Step 3: Cross multiply
    74,621.68x = 103,027.56 × 57,363.46
  4. Step 4: Simplify right side
    74,621.68x = 5,910,017,316.96
  5. Step 5: Solve for x
    x = 5,910,017,316.96/74,621.68
  6. Step 6: Final answer
    x = 79,199.74

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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.