Home / 109,929.48-164,783.19-52,919.65

Finding the Fourth Proportional to 109,929.48, 164,783.19 and 52,919.65

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Solution

The fourth proportional to 109,929.48, 164,783.19 and 52,919.65 is: 79,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,929.48 : 164,783.19 = 52,919.65 : x
  2. Step 2: Convert to fraction form
    109,929.48/164,783.19 = 52,919.65/x
  3. Step 3: Cross multiply
    109,929.48x = 164,783.19 × 52,919.65
  4. Step 4: Simplify right side
    109,929.48x = 8,720,268,740.68
  5. Step 5: Solve for x
    x = 8,720,268,740.68/109,929.48
  6. Step 6: Final answer
    x = 79,326.03

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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.