Home / 69,595.92-104,306.40-30,106.80

Finding the Fourth Proportional to 69,595.92, 104,306.40 and 30,106.80

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Solution

The fourth proportional to 69,595.92, 104,306.40 and 30,106.80 is: 45,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,595.92 : 104,306.40 = 30,106.80 : x
  2. Step 2: Convert to fraction form
    69,595.92/104,306.40 = 30,106.80/x
  3. Step 3: Cross multiply
    69,595.92x = 104,306.40 × 30,106.80
  4. Step 4: Simplify right side
    69,595.92x = 3,140,331,923.52
  5. Step 5: Solve for x
    x = 3,140,331,923.52/69,595.92
  6. Step 6: Final answer
    x = 45,122.36

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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.