Home / 70,954.18-97,918.82-39,125.13

Finding the Fourth Proportional to 70,954.18, 97,918.82 and 39,125.13

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Solution

The fourth proportional to 70,954.18, 97,918.82 and 39,125.13 is: 53,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,954.18 : 97,918.82 = 39,125.13 : x
  2. Step 2: Convert to fraction form
    70,954.18/97,918.82 = 39,125.13/x
  3. Step 3: Cross multiply
    70,954.18x = 97,918.82 × 39,125.13
  4. Step 4: Simplify right side
    70,954.18x = 3,831,086,365.92
  5. Step 5: Solve for x
    x = 3,831,086,365.92/70,954.18
  6. Step 6: Final answer
    x = 53,993.81

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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.