Home / 42,107.75-63,130.03-25,464.37

Finding the Fourth Proportional to 42,107.75, 63,130.03 and 25,464.37

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Solution

The fourth proportional to 42,107.75, 63,130.03 and 25,464.37 is: 38,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.75 : 63,130.03 = 25,464.37 : x
  2. Step 2: Convert to fraction form
    42,107.75/63,130.03 = 25,464.37/x
  3. Step 3: Cross multiply
    42,107.75x = 63,130.03 × 25,464.37
  4. Step 4: Simplify right side
    42,107.75x = 1,607,566,442.03
  5. Step 5: Solve for x
    x = 1,607,566,442.03/42,107.75
  6. Step 6: Final answer
    x = 38,177.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.