Home / 70,949.13-97,910.46-39,119.16

Finding the Fourth Proportional to 70,949.13, 97,910.46 and 39,119.16

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Solution

The fourth proportional to 70,949.13, 97,910.46 and 39,119.16 is: 53,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.13 : 97,910.46 = 39,119.16 : x
  2. Step 2: Convert to fraction form
    70,949.13/97,910.46 = 39,119.16/x
  3. Step 3: Cross multiply
    70,949.13x = 97,910.46 × 39,119.16
  4. Step 4: Simplify right side
    70,949.13x = 3,830,174,950.41
  5. Step 5: Solve for x
    x = 3,830,174,950.41/70,949.13
  6. Step 6: Final answer
    x = 53,984.81

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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.