Home / 70,930.25-97,884.40-39,100.29

Finding the Fourth Proportional to 70,930.25, 97,884.40 and 39,100.29

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Solution

The fourth proportional to 70,930.25, 97,884.40 and 39,100.29 is: 53,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,930.25 : 97,884.40 = 39,100.29 : x
  2. Step 2: Convert to fraction form
    70,930.25/97,884.40 = 39,100.29/x
  3. Step 3: Cross multiply
    70,930.25x = 97,884.40 × 39,100.29
  4. Step 4: Simplify right side
    70,930.25x = 3,827,308,034.97
  5. Step 5: Solve for x
    x = 3,827,308,034.97/70,930.25
  6. Step 6: Final answer
    x = 53,958.76

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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.