Home / 64,625.14-96,937.74-20,255.35

Finding the Fourth Proportional to 64,625.14, 96,937.74 and 20,255.35

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Solution

The fourth proportional to 64,625.14, 96,937.74 and 20,255.35 is: 30,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,625.14 : 96,937.74 = 20,255.35 : x
  2. Step 2: Convert to fraction form
    64,625.14/96,937.74 = 20,255.35/x
  3. Step 3: Cross multiply
    64,625.14x = 96,937.74 × 20,255.35
  4. Step 4: Simplify right side
    64,625.14x = 1,963,507,851.91
  5. Step 5: Solve for x
    x = 1,963,507,851.91/64,625.14
  6. Step 6: Final answer
    x = 30,383.03

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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.