Home / 100,830.82-151,339.58-50,946.02

Finding the Fourth Proportional to 100,830.82, 151,339.58 and 50,946.02

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Solution

The fourth proportional to 100,830.82, 151,339.58 and 50,946.02 is: 76,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,830.82 : 151,339.58 = 50,946.02 : x
  2. Step 2: Convert to fraction form
    100,830.82/151,339.58 = 50,946.02/x
  3. Step 3: Cross multiply
    100,830.82x = 151,339.58 × 50,946.02
  4. Step 4: Simplify right side
    100,830.82x = 7,710,149,014.74
  5. Step 5: Solve for x
    x = 7,710,149,014.74/100,830.82
  6. Step 6: Final answer
    x = 76,466.20

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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.