Home / 70,735.44-97,615.68-38,904.60

Finding the Fourth Proportional to 70,735.44, 97,615.68 and 38,904.60

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Solution

The fourth proportional to 70,735.44, 97,615.68 and 38,904.60 is: 53,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,735.44 : 97,615.68 = 38,904.60 : x
  2. Step 2: Convert to fraction form
    70,735.44/97,615.68 = 38,904.60/x
  3. Step 3: Cross multiply
    70,735.44x = 97,615.68 × 38,904.60
  4. Step 4: Simplify right side
    70,735.44x = 3,797,698,984.13
  5. Step 5: Solve for x
    x = 3,797,698,984.13/70,735.44
  6. Step 6: Final answer
    x = 53,688.77

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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.