Home / 69,669.75-96,145.55-39,454.98

Finding the Fourth Proportional to 69,669.75, 96,145.55 and 39,454.98

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Solution

The fourth proportional to 69,669.75, 96,145.55 and 39,454.98 is: 54,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,669.75 : 96,145.55 = 39,454.98 : x
  2. Step 2: Convert to fraction form
    69,669.75/96,145.55 = 39,454.98/x
  3. Step 3: Cross multiply
    69,669.75x = 96,145.55 × 39,454.98
  4. Step 4: Simplify right side
    69,669.75x = 3,793,420,555.06
  5. Step 5: Solve for x
    x = 3,793,420,555.06/69,669.75
  6. Step 6: Final answer
    x = 54,448.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.