Home / 76,321.18-114,443.34-44,738.77

Finding the Fourth Proportional to 76,321.18, 114,443.34 and 44,738.77

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Solution

The fourth proportional to 76,321.18, 114,443.34 and 44,738.77 is: 67,085.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,321.18 : 114,443.34 = 44,738.77 : x
  2. Step 2: Convert to fraction form
    76,321.18/114,443.34 = 44,738.77/x
  3. Step 3: Cross multiply
    76,321.18x = 114,443.34 × 44,738.77
  4. Step 4: Simplify right side
    76,321.18x = 5,120,054,266.29
  5. Step 5: Solve for x
    x = 5,120,054,266.29/76,321.18
  6. Step 6: Final answer
    x = 67,085.63

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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.