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Finding the Fourth Proportional to 64,470.70, 96,647.73 and 22,907.98

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Solution

The fourth proportional to 64,470.70, 96,647.73 and 22,907.98 is: 34,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,470.70 : 96,647.73 = 22,907.98 : x
  2. Step 2: Convert to fraction form
    64,470.70/96,647.73 = 22,907.98/x
  3. Step 3: Cross multiply
    64,470.70x = 96,647.73 × 22,907.98
  4. Step 4: Simplify right side
    64,470.70x = 2,214,004,265.89
  5. Step 5: Solve for x
    x = 2,214,004,265.89/64,470.70
  6. Step 6: Final answer
    x = 34,341.25

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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.