Home / 70,970.21-97,935.58-40,734.25

Finding the Fourth Proportional to 70,970.21, 97,935.58 and 40,734.25

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Solution

The fourth proportional to 70,970.21, 97,935.58 and 40,734.25 is: 56,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,970.21 : 97,935.58 = 40,734.25 : x
  2. Step 2: Convert to fraction form
    70,970.21/97,935.58 = 40,734.25/x
  3. Step 3: Cross multiply
    70,970.21x = 97,935.58 × 40,734.25
  4. Step 4: Simplify right side
    70,970.21x = 3,989,332,399.62
  5. Step 5: Solve for x
    x = 3,989,332,399.62/70,970.21
  6. Step 6: Final answer
    x = 56,211.37

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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.