Home / 76,225.15-105,157.20-45,993.61

Finding the Fourth Proportional to 76,225.15, 105,157.20 and 45,993.61

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Solution

The fourth proportional to 76,225.15, 105,157.20 and 45,993.61 is: 63,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,225.15 : 105,157.20 = 45,993.61 : x
  2. Step 2: Convert to fraction form
    76,225.15/105,157.20 = 45,993.61/x
  3. Step 3: Cross multiply
    76,225.15x = 105,157.20 × 45,993.61
  4. Step 4: Simplify right side
    76,225.15x = 4,836,559,245.49
  5. Step 5: Solve for x
    x = 4,836,559,245.49/76,225.15
  6. Step 6: Final answer
    x = 63,450.96

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Double scale
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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.