Home / 70,122.72-96,788.40-41,829.60

Finding the Fourth Proportional to 70,122.72, 96,788.40 and 41,829.60

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Solution

The fourth proportional to 70,122.72, 96,788.40 and 41,829.60 is: 57,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,122.72 : 96,788.40 = 41,829.60 : x
  2. Step 2: Convert to fraction form
    70,122.72/96,788.40 = 41,829.60/x
  3. Step 3: Cross multiply
    70,122.72x = 96,788.40 × 41,829.60
  4. Step 4: Simplify right side
    70,122.72x = 4,048,620,056.64
  5. Step 5: Solve for x
    x = 4,048,620,056.64/70,122.72
  6. Step 6: Final answer
    x = 57,736.21

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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.