Home / 77,750.56-116,584.40-30,381.76

Finding the Fourth Proportional to 77,750.56, 116,584.40 and 30,381.76

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Solution

The fourth proportional to 77,750.56, 116,584.40 and 30,381.76 is: 45,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,750.56 : 116,584.40 = 30,381.76 : x
  2. Step 2: Convert to fraction form
    77,750.56/116,584.40 = 30,381.76/x
  3. Step 3: Cross multiply
    77,750.56x = 116,584.40 × 30,381.76
  4. Step 4: Simplify right side
    77,750.56x = 3,542,039,260.54
  5. Step 5: Solve for x
    x = 3,542,039,260.54/77,750.56
  6. Step 6: Final answer
    x = 45,556.45

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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.