Home / 107,698.78-161,548.23-51,525.68

Finding the Fourth Proportional to 107,698.78, 161,548.23 and 51,525.68

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Solution

The fourth proportional to 107,698.78, 161,548.23 and 51,525.68 is: 77,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,698.78 : 161,548.23 = 51,525.68 : x
  2. Step 2: Convert to fraction form
    107,698.78/161,548.23 = 51,525.68/x
  3. Step 3: Cross multiply
    107,698.78x = 161,548.23 × 51,525.68
  4. Step 4: Simplify right side
    107,698.78x = 8,323,882,403.55
  5. Step 5: Solve for x
    x = 8,323,882,403.55/107,698.78
  6. Step 6: Final answer
    x = 77,288.55

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1.5x scale

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.