Home / 107,415.75-148,234.16-59,021.61

Finding the Fourth Proportional to 107,415.75, 148,234.16 and 59,021.61

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Solution

The fourth proportional to 107,415.75, 148,234.16 and 59,021.61 is: 81,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,415.75 : 148,234.16 = 59,021.61 : x
  2. Step 2: Convert to fraction form
    107,415.75/148,234.16 = 59,021.61/x
  3. Step 3: Cross multiply
    107,415.75x = 148,234.16 × 59,021.61
  4. Step 4: Simplify right side
    107,415.75x = 8,749,018,485.09
  5. Step 5: Solve for x
    x = 8,749,018,485.09/107,415.75
  6. Step 6: Final answer
    x = 81,450.05

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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.