Home / 77,969.12-116,856.78-35,804.46

Finding the Fourth Proportional to 77,969.12, 116,856.78 and 35,804.46

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Solution

The fourth proportional to 77,969.12, 116,856.78 and 35,804.46 is: 53,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,969.12 : 116,856.78 = 35,804.46 : x
  2. Step 2: Convert to fraction form
    77,969.12/116,856.78 = 35,804.46/x
  3. Step 3: Cross multiply
    77,969.12x = 116,856.78 × 35,804.46
  4. Step 4: Simplify right side
    77,969.12x = 4,183,994,209.18
  5. Step 5: Solve for x
    x = 4,183,994,209.18/77,969.12
  6. Step 6: Final answer
    x = 53,662.20

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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.