Home / 100,905.98-151,255.08-44,772.52

Finding the Fourth Proportional to 100,905.98, 151,255.08 and 44,772.52

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Solution

The fourth proportional to 100,905.98, 151,255.08 and 44,772.52 is: 67,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,905.98 : 151,255.08 = 44,772.52 : x
  2. Step 2: Convert to fraction form
    100,905.98/151,255.08 = 44,772.52/x
  3. Step 3: Cross multiply
    100,905.98x = 151,255.08 × 44,772.52
  4. Step 4: Simplify right side
    100,905.98x = 6,772,071,094.40
  5. Step 5: Solve for x
    x = 6,772,071,094.40/100,905.98
  6. Step 6: Final answer
    x = 67,112.68

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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.