Home / 70,906.10-97,851.07-39,076.13

Finding the Fourth Proportional to 70,906.10, 97,851.07 and 39,076.13

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Solution

The fourth proportional to 70,906.10, 97,851.07 and 39,076.13 is: 53,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,906.10 : 97,851.07 = 39,076.13 : x
  2. Step 2: Convert to fraction form
    70,906.10/97,851.07 = 39,076.13/x
  3. Step 3: Cross multiply
    70,906.10x = 97,851.07 × 39,076.13
  4. Step 4: Simplify right side
    70,906.10x = 3,823,641,131.96
  5. Step 5: Solve for x
    x = 3,823,641,131.96/70,906.10
  6. Step 6: Final answer
    x = 53,925.42

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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.