Home / 64,795.36-89,439.96-37,946.50

Finding the Fourth Proportional to 64,795.36, 89,439.96 and 37,946.50

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Solution

The fourth proportional to 64,795.36, 89,439.96 and 37,946.50 is: 52,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,795.36 : 89,439.96 = 37,946.50 : x
  2. Step 2: Convert to fraction form
    64,795.36/89,439.96 = 37,946.50/x
  3. Step 3: Cross multiply
    64,795.36x = 89,439.96 × 37,946.50
  4. Step 4: Simplify right side
    64,795.36x = 3,393,933,442.14
  5. Step 5: Solve for x
    x = 3,393,933,442.14/64,795.36
  6. Step 6: Final answer
    x = 52,379.27

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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.