Home / 47,155.02-65,072.75-25,644.51

Finding the Fourth Proportional to 47,155.02, 65,072.75 and 25,644.51

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Solution

The fourth proportional to 47,155.02, 65,072.75 and 25,644.51 is: 35,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.02 : 65,072.75 = 25,644.51 : x
  2. Step 2: Convert to fraction form
    47,155.02/65,072.75 = 25,644.51/x
  3. Step 3: Cross multiply
    47,155.02x = 65,072.75 × 25,644.51
  4. Step 4: Simplify right side
    47,155.02x = 1,668,758,788.10
  5. Step 5: Solve for x
    x = 1,668,758,788.10/47,155.02
  6. Step 6: Final answer
    x = 35,388.78

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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.