Home / 77,996.07-117,008.69-31,252.59

Finding the Fourth Proportional to 77,996.07, 117,008.69 and 31,252.59

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Solution

The fourth proportional to 77,996.07, 117,008.69 and 31,252.59 is: 46,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996.07 : 117,008.69 = 31,252.59 : x
  2. Step 2: Convert to fraction form
    77,996.07/117,008.69 = 31,252.59/x
  3. Step 3: Cross multiply
    77,996.07x = 117,008.69 × 31,252.59
  4. Step 4: Simplify right side
    77,996.07x = 3,656,824,615.01
  5. Step 5: Solve for x
    x = 3,656,824,615.01/77,996.07
  6. Step 6: Final answer
    x = 46,884.73

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1.5x scale

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.