Home / 70,910.64-97,861.06-39,079.46

Finding the Fourth Proportional to 70,910.64, 97,861.06 and 39,079.46

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Solution

The fourth proportional to 70,910.64, 97,861.06 and 39,079.46 is: 53,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,910.64 : 97,861.06 = 39,079.46 : x
  2. Step 2: Convert to fraction form
    70,910.64/97,861.06 = 39,079.46/x
  3. Step 3: Cross multiply
    70,910.64x = 97,861.06 × 39,079.46
  4. Step 4: Simplify right side
    70,910.64x = 3,824,357,673.33
  5. Step 5: Solve for x
    x = 3,824,357,673.33/70,910.64
  6. Step 6: Final answer
    x = 53,932.07

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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.