Home / 73,914.12-110,889.61-21,323.59

Finding the Fourth Proportional to 73,914.12, 110,889.61 and 21,323.59

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Solution

The fourth proportional to 73,914.12, 110,889.61 and 21,323.59 is: 31,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,914.12 : 110,889.61 = 21,323.59 : x
  2. Step 2: Convert to fraction form
    73,914.12/110,889.61 = 21,323.59/x
  3. Step 3: Cross multiply
    73,914.12x = 110,889.61 × 21,323.59
  4. Step 4: Simplify right side
    73,914.12x = 2,364,564,248.37
  5. Step 5: Solve for x
    x = 2,364,564,248.37/73,914.12
  6. Step 6: Final answer
    x = 31,990.70

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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.