Home / 70,579.22-97,407.06-40,367.30

Finding the Fourth Proportional to 70,579.22, 97,407.06 and 40,367.30

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Solution

The fourth proportional to 70,579.22, 97,407.06 and 40,367.30 is: 55,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,579.22 : 97,407.06 = 40,367.30 : x
  2. Step 2: Convert to fraction form
    70,579.22/97,407.06 = 40,367.30/x
  3. Step 3: Cross multiply
    70,579.22x = 97,407.06 × 40,367.30
  4. Step 4: Simplify right side
    70,579.22x = 3,932,060,013.14
  5. Step 5: Solve for x
    x = 3,932,060,013.14/70,579.22
  6. Step 6: Final answer
    x = 55,711.30

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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.