Home / 76,164.15-105,073.43-45,932.67

Finding the Fourth Proportional to 76,164.15, 105,073.43 and 45,932.67

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Solution

The fourth proportional to 76,164.15, 105,073.43 and 45,932.67 is: 63,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,164.15 : 105,073.43 = 45,932.67 : x
  2. Step 2: Convert to fraction form
    76,164.15/105,073.43 = 45,932.67/x
  3. Step 3: Cross multiply
    76,164.15x = 105,073.43 × 45,932.67
  4. Step 4: Simplify right side
    76,164.15x = 4,826,303,185.96
  5. Step 5: Solve for x
    x = 4,826,303,185.96/76,164.15
  6. Step 6: Final answer
    x = 63,367.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.