Home / 108,063.36-149,152.32-63,365.76

Finding the Fourth Proportional to 108,063.36, 149,152.32 and 63,365.76

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Solution

The fourth proportional to 108,063.36, 149,152.32 and 63,365.76 is: 87,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,063.36 : 149,152.32 = 63,365.76 : x
  2. Step 2: Convert to fraction form
    108,063.36/149,152.32 = 63,365.76/x
  3. Step 3: Cross multiply
    108,063.36x = 149,152.32 × 63,365.76
  4. Step 4: Simplify right side
    108,063.36x = 9,451,150,112.56
  5. Step 5: Solve for x
    x = 9,451,150,112.56/108,063.36
  6. Step 6: Final answer
    x = 87,459.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.