Home / 70,884.07-97,819.73-38,618.60

Finding the Fourth Proportional to 70,884.07, 97,819.73 and 38,618.60

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Solution

The fourth proportional to 70,884.07, 97,819.73 and 38,618.60 is: 53,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,884.07 : 97,819.73 = 38,618.60 : x
  2. Step 2: Convert to fraction form
    70,884.07/97,819.73 = 38,618.60/x
  3. Step 3: Cross multiply
    70,884.07x = 97,819.73 × 38,618.60
  4. Step 4: Simplify right side
    70,884.07x = 3,777,660,654.11
  5. Step 5: Solve for x
    x = 3,777,660,654.11/70,884.07
  6. Step 6: Final answer
    x = 53,293.50

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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.