Home / 109,036.80-163,292.76-73,869.84

Finding the Fourth Proportional to 109,036.80, 163,292.76 and 73,869.84

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Solution

The fourth proportional to 109,036.80, 163,292.76 and 73,869.84 is: 110,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,036.80 : 163,292.76 = 73,869.84 : x
  2. Step 2: Convert to fraction form
    109,036.80/163,292.76 = 73,869.84/x
  3. Step 3: Cross multiply
    109,036.80x = 163,292.76 × 73,869.84
  4. Step 4: Simplify right side
    109,036.80x = 12,062,410,054.36
  5. Step 5: Solve for x
    x = 12,062,410,054.36/109,036.80
  6. Step 6: Final answer
    x = 110,626.96

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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.