Home / 69,209.20-103,813.99-39,606.27

Finding the Fourth Proportional to 69,209.20, 103,813.99 and 39,606.27

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Solution

The fourth proportional to 69,209.20, 103,813.99 and 39,606.27 is: 59,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,209.20 : 103,813.99 = 39,606.27 : x
  2. Step 2: Convert to fraction form
    69,209.20/103,813.99 = 39,606.27/x
  3. Step 3: Cross multiply
    69,209.20x = 103,813.99 × 39,606.27
  4. Step 4: Simplify right side
    69,209.20x = 4,111,684,838.57
  5. Step 5: Solve for x
    x = 4,111,684,838.57/69,209.20
  6. Step 6: Final answer
    x = 59,409.52

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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.