Home / 74,928.96-111,759.30-64,989.18

Finding the Fourth Proportional to 74,928.96, 111,759.30 and 64,989.18

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Solution

The fourth proportional to 74,928.96, 111,759.30 and 64,989.18 is: 96,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.96 : 111,759.30 = 64,989.18 : x
  2. Step 2: Convert to fraction form
    74,928.96/111,759.30 = 64,989.18/x
  3. Step 3: Cross multiply
    74,928.96x = 111,759.30 × 64,989.18
  4. Step 4: Simplify right side
    74,928.96x = 7,263,145,264.37
  5. Step 5: Solve for x
    x = 7,263,145,264.37/74,928.96
  6. Step 6: Final answer
    x = 96,933.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.