Home / 107,654.99-148,548.11-64,625.36

Finding the Fourth Proportional to 107,654.99, 148,548.11 and 64,625.36

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Solution

The fourth proportional to 107,654.99, 148,548.11 and 64,625.36 is: 89,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,654.99 : 148,548.11 = 64,625.36 : x
  2. Step 2: Convert to fraction form
    107,654.99/148,548.11 = 64,625.36/x
  3. Step 3: Cross multiply
    107,654.99x = 148,548.11 × 64,625.36
  4. Step 4: Simplify right side
    107,654.99x = 9,599,974,020.20
  5. Step 5: Solve for x
    x = 9,599,974,020.20/107,654.99
  6. Step 6: Final answer
    x = 89,173.52

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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.