Home / 100,889.32-151,427.34-51,004.60

Finding the Fourth Proportional to 100,889.32, 151,427.34 and 51,004.60

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Solution

The fourth proportional to 100,889.32, 151,427.34 and 51,004.60 is: 76,554.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,889.32 : 151,427.34 = 51,004.60 : x
  2. Step 2: Convert to fraction form
    100,889.32/151,427.34 = 51,004.60/x
  3. Step 3: Cross multiply
    100,889.32x = 151,427.34 × 51,004.60
  4. Step 4: Simplify right side
    100,889.32x = 7,723,490,905.76
  5. Step 5: Solve for x
    x = 7,723,490,905.76/100,889.32
  6. Step 6: Final answer
    x = 76,554.10

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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.