Home / 76,384.68-114,660.80-60,690.56

Finding the Fourth Proportional to 76,384.68, 114,660.80 and 60,690.56

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Solution

The fourth proportional to 76,384.68, 114,660.80 and 60,690.56 is: 91,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,384.68 : 114,660.80 = 60,690.56 : x
  2. Step 2: Convert to fraction form
    76,384.68/114,660.80 = 60,690.56/x
  3. Step 3: Cross multiply
    76,384.68x = 114,660.80 × 60,690.56
  4. Step 4: Simplify right side
    76,384.68x = 6,958,828,162.05
  5. Step 5: Solve for x
    x = 6,958,828,162.05/76,384.68
  6. Step 6: Final answer
    x = 91,102.41

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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.