Home / 70,905.19-97,851.22-39,076.14

Finding the Fourth Proportional to 70,905.19, 97,851.22 and 39,076.14

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Solution

The fourth proportional to 70,905.19, 97,851.22 and 39,076.14 is: 53,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,905.19 : 97,851.22 = 39,076.14 : x
  2. Step 2: Convert to fraction form
    70,905.19/97,851.22 = 39,076.14/x
  3. Step 3: Cross multiply
    70,905.19x = 97,851.22 × 39,076.14
  4. Step 4: Simplify right side
    70,905.19x = 3,823,647,971.89
  5. Step 5: Solve for x
    x = 3,823,647,971.89/70,905.19
  6. Step 6: Final answer
    x = 53,926.21

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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.