Home / 70,905.64-97,851.90-39,076.60

Finding the Fourth Proportional to 70,905.64, 97,851.90 and 39,076.60

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Solution

The fourth proportional to 70,905.64, 97,851.90 and 39,076.60 is: 53,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.64 : 97,851.90 = 39,076.60 : x
  2. Step 2: Convert to fraction form
    70,905.64/97,851.90 = 39,076.60/x
  3. Step 3: Cross multiply
    70,905.64x = 97,851.90 × 39,076.60
  4. Step 4: Simplify right side
    70,905.64x = 3,823,719,555.54
  5. Step 5: Solve for x
    x = 3,823,719,555.54/70,905.64
  6. Step 6: Final answer
    x = 53,926.87

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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.