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Finding the Fourth Proportional to 80,502, 111,088.44 and 46,509.36

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Solution

The fourth proportional to 80,502, 111,088.44 and 46,509.36 is: 64,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,502 : 111,088.44 = 46,509.36 : x
  2. Step 2: Convert to fraction form
    80,502/111,088.44 = 46,509.36/x
  3. Step 3: Cross multiply
    80,502x = 111,088.44 × 46,509.36
  4. Step 4: Simplify right side
    80,502x = 5,166,652,247.80
  5. Step 5: Solve for x
    x = 5,166,652,247.80/80,502
  6. Step 6: Final answer
    x = 64,180.42

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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.