Home / 73,690.03-110,534.71-21,099.50

Finding the Fourth Proportional to 73,690.03, 110,534.71 and 21,099.50

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Solution

The fourth proportional to 73,690.03, 110,534.71 and 21,099.50 is: 31,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,690.03 : 110,534.71 = 21,099.50 : x
  2. Step 2: Convert to fraction form
    73,690.03/110,534.71 = 21,099.50/x
  3. Step 3: Cross multiply
    73,690.03x = 110,534.71 × 21,099.50
  4. Step 4: Simplify right side
    73,690.03x = 2,332,227,113.65
  5. Step 5: Solve for x
    x = 2,332,227,113.65/73,690.03
  6. Step 6: Final answer
    x = 31,649.15

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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.