Home / 109,081.69-163,582.02-37,986.08

Finding the Fourth Proportional to 109,081.69, 163,582.02 and 37,986.08

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Solution

The fourth proportional to 109,081.69, 163,582.02 and 37,986.08 is: 56,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,081.69 : 163,582.02 = 37,986.08 : x
  2. Step 2: Convert to fraction form
    109,081.69/163,582.02 = 37,986.08/x
  3. Step 3: Cross multiply
    109,081.69x = 163,582.02 × 37,986.08
  4. Step 4: Simplify right side
    109,081.69x = 6,213,839,698.28
  5. Step 5: Solve for x
    x = 6,213,839,698.28/109,081.69
  6. Step 6: Final answer
    x = 56,965.01

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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.