Home / 64,631.52-96,848.32-43,493.20

Finding the Fourth Proportional to 64,631.52, 96,848.32 and 43,493.20

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Solution

The fourth proportional to 64,631.52, 96,848.32 and 43,493.20 is: 65,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,631.52 : 96,848.32 = 43,493.20 : x
  2. Step 2: Convert to fraction form
    64,631.52/96,848.32 = 43,493.20/x
  3. Step 3: Cross multiply
    64,631.52x = 96,848.32 × 43,493.20
  4. Step 4: Simplify right side
    64,631.52x = 4,212,243,351.42
  5. Step 5: Solve for x
    x = 4,212,243,351.42/64,631.52
  6. Step 6: Final answer
    x = 65,173.21

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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.