Home / 70,961.08-97,932.86-40,750.36

Finding the Fourth Proportional to 70,961.08, 97,932.86 and 40,750.36

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Solution

The fourth proportional to 70,961.08, 97,932.86 and 40,750.36 is: 56,239.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,961.08 : 97,932.86 = 40,750.36 : x
  2. Step 2: Convert to fraction form
    70,961.08/97,932.86 = 40,750.36/x
  3. Step 3: Cross multiply
    70,961.08x = 97,932.86 × 40,750.36
  4. Step 4: Simplify right side
    70,961.08x = 3,990,799,300.83
  5. Step 5: Solve for x
    x = 3,990,799,300.83/70,961.08
  6. Step 6: Final answer
    x = 56,239.27

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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.