Home / 70,975.74-97,942.35-40,754.58

Finding the Fourth Proportional to 70,975.74, 97,942.35 and 40,754.58

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Solution

The fourth proportional to 70,975.74, 97,942.35 and 40,754.58 is: 56,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.74 : 97,942.35 = 40,754.58 : x
  2. Step 2: Convert to fraction form
    70,975.74/97,942.35 = 40,754.58/x
  3. Step 3: Cross multiply
    70,975.74x = 97,942.35 × 40,754.58
  4. Step 4: Simplify right side
    70,975.74x = 3,991,599,338.46
  5. Step 5: Solve for x
    x = 3,991,599,338.46/70,975.74
  6. Step 6: Final answer
    x = 56,238.93

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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.