Home / 77,835.67-116,753.55-27,918.88

Finding the Fourth Proportional to 77,835.67, 116,753.55 and 27,918.88

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Solution

The fourth proportional to 77,835.67, 116,753.55 and 27,918.88 is: 41,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,835.67 : 116,753.55 = 27,918.88 : x
  2. Step 2: Convert to fraction form
    77,835.67/116,753.55 = 27,918.88/x
  3. Step 3: Cross multiply
    77,835.67x = 116,753.55 × 27,918.88
  4. Step 4: Simplify right side
    77,835.67x = 3,259,628,352.02
  5. Step 5: Solve for x
    x = 3,259,628,352.02/77,835.67
  6. Step 6: Final answer
    x = 41,878.34

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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.