Home / 107,420.47-148,235.21-59,676.73

Finding the Fourth Proportional to 107,420.47, 148,235.21 and 59,676.73

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Solution

The fourth proportional to 107,420.47, 148,235.21 and 59,676.73 is: 82,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,420.47 : 148,235.21 = 59,676.73 : x
  2. Step 2: Convert to fraction form
    107,420.47/148,235.21 = 59,676.73/x
  3. Step 3: Cross multiply
    107,420.47x = 148,235.21 × 59,676.73
  4. Step 4: Simplify right side
    107,420.47x = 8,846,192,603.66
  5. Step 5: Solve for x
    x = 8,846,192,603.66/107,420.47
  6. Step 6: Final answer
    x = 82,351.09

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1.5x scale

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.