Home / 70,854.33-97,778.16-39,022.53

Finding the Fourth Proportional to 70,854.33, 97,778.16 and 39,022.53

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Solution

The fourth proportional to 70,854.33, 97,778.16 and 39,022.53 is: 53,850.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,854.33 : 97,778.16 = 39,022.53 : x
  2. Step 2: Convert to fraction form
    70,854.33/97,778.16 = 39,022.53/x
  3. Step 3: Cross multiply
    70,854.33x = 97,778.16 × 39,022.53
  4. Step 4: Simplify right side
    70,854.33x = 3,815,551,181.94
  5. Step 5: Solve for x
    x = 3,815,551,181.94/70,854.33
  6. Step 6: Final answer
    x = 53,850.64

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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.