Home / 76,182.05-114,244.83-31,811.77

Finding the Fourth Proportional to 76,182.05, 114,244.83 and 31,811.77

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Solution

The fourth proportional to 76,182.05, 114,244.83 and 31,811.77 is: 47,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,182.05 : 114,244.83 = 31,811.77 : x
  2. Step 2: Convert to fraction form
    76,182.05/114,244.83 = 31,811.77/x
  3. Step 3: Cross multiply
    76,182.05x = 114,244.83 × 31,811.77
  4. Step 4: Simplify right side
    76,182.05x = 3,634,330,398.46
  5. Step 5: Solve for x
    x = 3,634,330,398.46/76,182.05
  6. Step 6: Final answer
    x = 47,705.86

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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.