Home / 64,455.75-96,689.09-17,708.63

Finding the Fourth Proportional to 64,455.75, 96,689.09 and 17,708.63

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Solution

The fourth proportional to 64,455.75, 96,689.09 and 17,708.63 is: 26,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,455.75 : 96,689.09 = 17,708.63 : x
  2. Step 2: Convert to fraction form
    64,455.75/96,689.09 = 17,708.63/x
  3. Step 3: Cross multiply
    64,455.75x = 96,689.09 × 17,708.63
  4. Step 4: Simplify right side
    64,455.75x = 1,712,230,880.67
  5. Step 5: Solve for x
    x = 1,712,230,880.67/64,455.75
  6. Step 6: Final answer
    x = 26,564.44

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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.