Home / 64,790.25-97,186.89-17,405.40

Finding the Fourth Proportional to 64,790.25, 97,186.89 and 17,405.40

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Solution

The fourth proportional to 64,790.25, 97,186.89 and 17,405.40 is: 26,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,790.25 : 97,186.89 = 17,405.40 : x
  2. Step 2: Convert to fraction form
    64,790.25/97,186.89 = 17,405.40/x
  3. Step 3: Cross multiply
    64,790.25x = 97,186.89 × 17,405.40
  4. Step 4: Simplify right side
    64,790.25x = 1,691,576,695.21
  5. Step 5: Solve for x
    x = 1,691,576,695.21/64,790.25
  6. Step 6: Final answer
    x = 26,108.51

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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.