Home / 70,912.37-97,857.15-39,081.26

Finding the Fourth Proportional to 70,912.37, 97,857.15 and 39,081.26

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Solution

The fourth proportional to 70,912.37, 97,857.15 and 39,081.26 is: 53,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,912.37 : 97,857.15 = 39,081.26 : x
  2. Step 2: Convert to fraction form
    70,912.37/97,857.15 = 39,081.26/x
  3. Step 3: Cross multiply
    70,912.37x = 97,857.15 × 39,081.26
  4. Step 4: Simplify right side
    70,912.37x = 3,824,380,722.01
  5. Step 5: Solve for x
    x = 3,824,380,722.01/70,912.37
  6. Step 6: Final answer
    x = 53,931.08

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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.