Home / 70,816.60-97,743.53-40,601.37

Finding the Fourth Proportional to 70,816.60, 97,743.53 and 40,601.37

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Solution

The fourth proportional to 70,816.60, 97,743.53 and 40,601.37 is: 56,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,816.60 : 97,743.53 = 40,601.37 : x
  2. Step 2: Convert to fraction form
    70,816.60/97,743.53 = 40,601.37/x
  3. Step 3: Cross multiply
    70,816.60x = 97,743.53 × 40,601.37
  4. Step 4: Simplify right side
    70,816.60x = 3,968,521,023.63
  5. Step 5: Solve for x
    x = 3,968,521,023.63/70,816.60
  6. Step 6: Final answer
    x = 56,039.42

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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.