Home / 76,318.18-105,318.53-41,863.71

Finding the Fourth Proportional to 76,318.18, 105,318.53 and 41,863.71

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Solution

The fourth proportional to 76,318.18, 105,318.53 and 41,863.71 is: 57,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,318.18 : 105,318.53 = 41,863.71 : x
  2. Step 2: Convert to fraction form
    76,318.18/105,318.53 = 41,863.71/x
  3. Step 3: Cross multiply
    76,318.18x = 105,318.53 × 41,863.71
  4. Step 4: Simplify right side
    76,318.18x = 4,409,024,397.55
  5. Step 5: Solve for x
    x = 4,409,024,397.55/76,318.18
  6. Step 6: Final answer
    x = 57,771.61

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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.