Home / 69,786.60-103,940.93-69,446.76

Finding the Fourth Proportional to 69,786.60, 103,940.93 and 69,446.76

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Solution

The fourth proportional to 69,786.60, 103,940.93 and 69,446.76 is: 103,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,786.60 : 103,940.93 = 69,446.76 : x
  2. Step 2: Convert to fraction form
    69,786.60/103,940.93 = 69,446.76/x
  3. Step 3: Cross multiply
    69,786.60x = 103,940.93 × 69,446.76
  4. Step 4: Simplify right side
    69,786.60x = 7,218,360,819.89
  5. Step 5: Solve for x
    x = 7,218,360,819.89/69,786.60
  6. Step 6: Final answer
    x = 103,434.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.