Home / 42,651.39-63,900.47-25,111.65

Finding the Fourth Proportional to 42,651.39, 63,900.47 and 25,111.65

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Solution

The fourth proportional to 42,651.39, 63,900.47 and 25,111.65 is: 37,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,651.39 : 63,900.47 = 25,111.65 : x
  2. Step 2: Convert to fraction form
    42,651.39/63,900.47 = 25,111.65/x
  3. Step 3: Cross multiply
    42,651.39x = 63,900.47 × 25,111.65
  4. Step 4: Simplify right side
    42,651.39x = 1,604,646,237.48
  5. Step 5: Solve for x
    x = 1,604,646,237.48/42,651.39
  6. Step 6: Final answer
    x = 37,622.37

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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.