Home / 64,712.36-97,084.64-51,435.45

Finding the Fourth Proportional to 64,712.36, 97,084.64 and 51,435.45

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Solution

The fourth proportional to 64,712.36, 97,084.64 and 51,435.45 is: 77,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,712.36 : 97,084.64 = 51,435.45 : x
  2. Step 2: Convert to fraction form
    64,712.36/97,084.64 = 51,435.45/x
  3. Step 3: Cross multiply
    64,712.36x = 97,084.64 × 51,435.45
  4. Step 4: Simplify right side
    64,712.36x = 4,993,591,889.31
  5. Step 5: Solve for x
    x = 4,993,591,889.31/64,712.36
  6. Step 6: Final answer
    x = 77,165.97

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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.