Home / 80,632.90-111,287.94-46,636.66

Finding the Fourth Proportional to 80,632.90, 111,287.94 and 46,636.66

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Solution

The fourth proportional to 80,632.90, 111,287.94 and 46,636.66 is: 64,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,632.90 : 111,287.94 = 46,636.66 : x
  2. Step 2: Convert to fraction form
    80,632.90/111,287.94 = 46,636.66/x
  3. Step 3: Cross multiply
    80,632.90x = 111,287.94 × 46,636.66
  4. Step 4: Simplify right side
    80,632.90x = 5,190,097,263.44
  5. Step 5: Solve for x
    x = 5,190,097,263.44/80,632.90
  6. Step 6: Final answer
    x = 64,367.00

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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.