Home / 107,908.32-161,862.48-45,579.36

Finding the Fourth Proportional to 107,908.32, 161,862.48 and 45,579.36

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Solution

The fourth proportional to 107,908.32, 161,862.48 and 45,579.36 is: 68,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,908.32 : 161,862.48 = 45,579.36 : x
  2. Step 2: Convert to fraction form
    107,908.32/161,862.48 = 45,579.36/x
  3. Step 3: Cross multiply
    107,908.32x = 161,862.48 × 45,579.36
  4. Step 4: Simplify right side
    107,908.32x = 7,377,588,246.41
  5. Step 5: Solve for x
    x = 7,377,588,246.41/107,908.32
  6. Step 6: Final answer
    x = 68,369.04

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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.