Home / 70,069.75-96,699.40-39,453.38

Finding the Fourth Proportional to 70,069.75, 96,699.40 and 39,453.38

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Solution

The fourth proportional to 70,069.75, 96,699.40 and 39,453.38 is: 54,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,069.75 : 96,699.40 = 39,453.38 : x
  2. Step 2: Convert to fraction form
    70,069.75/96,699.40 = 39,453.38/x
  3. Step 3: Cross multiply
    70,069.75x = 96,699.40 × 39,453.38
  4. Step 4: Simplify right side
    70,069.75x = 3,815,118,173.97
  5. Step 5: Solve for x
    x = 3,815,118,173.97/70,069.75
  6. Step 6: Final answer
    x = 54,447.44

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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.