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Finding the Fourth Proportional to 48,764.70, 73,059.57 and 46,140.30

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Solution

The fourth proportional to 48,764.70, 73,059.57 and 46,140.30 is: 69,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,764.70 : 73,059.57 = 46,140.30 : x
  2. Step 2: Convert to fraction form
    48,764.70/73,059.57 = 46,140.30/x
  3. Step 3: Cross multiply
    48,764.70x = 73,059.57 × 46,140.30
  4. Step 4: Simplify right side
    48,764.70x = 3,370,990,477.67
  5. Step 5: Solve for x
    x = 3,370,990,477.67/48,764.70
  6. Step 6: Final answer
    x = 69,127.68

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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.