Home / 73,857.20-101,921.63-42,025.41

Finding the Fourth Proportional to 73,857.20, 101,921.63 and 42,025.41

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Solution

The fourth proportional to 73,857.20, 101,921.63 and 42,025.41 is: 57,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,857.20 : 101,921.63 = 42,025.41 : x
  2. Step 2: Convert to fraction form
    73,857.20/101,921.63 = 42,025.41/x
  3. Step 3: Cross multiply
    73,857.20x = 101,921.63 × 42,025.41
  4. Step 4: Simplify right side
    73,857.20x = 4,283,298,078.49
  5. Step 5: Solve for x
    x = 4,283,298,078.49/73,857.20
  6. Step 6: Final answer
    x = 57,994.32

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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.