Home / 69,019.41-103,660.33-42,906.63

Finding the Fourth Proportional to 69,019.41, 103,660.33 and 42,906.63

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Solution

The fourth proportional to 69,019.41, 103,660.33 and 42,906.63 is: 64,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,019.41 : 103,660.33 = 42,906.63 : x
  2. Step 2: Convert to fraction form
    69,019.41/103,660.33 = 42,906.63/x
  3. Step 3: Cross multiply
    69,019.41x = 103,660.33 × 42,906.63
  4. Step 4: Simplify right side
    69,019.41x = 4,447,715,424.99
  5. Step 5: Solve for x
    x = 4,447,715,424.99/69,019.41
  6. Step 6: Final answer
    x = 64,441.52

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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.