Home / 76,743.45-114,902.59-39,222.73

Finding the Fourth Proportional to 76,743.45, 114,902.59 and 39,222.73

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Solution

The fourth proportional to 76,743.45, 114,902.59 and 39,222.73 is: 58,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,743.45 : 114,902.59 = 39,222.73 : x
  2. Step 2: Convert to fraction form
    76,743.45/114,902.59 = 39,222.73/x
  3. Step 3: Cross multiply
    76,743.45x = 114,902.59 × 39,222.73
  4. Step 4: Simplify right side
    76,743.45x = 4,506,792,689.36
  5. Step 5: Solve for x
    x = 4,506,792,689.36/76,743.45
  6. Step 6: Final answer
    x = 58,725.44

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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.