Home / 77,635.07-116,369.56-40,157.43

Finding the Fourth Proportional to 77,635.07, 116,369.56 and 40,157.43

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Solution

The fourth proportional to 77,635.07, 116,369.56 and 40,157.43 is: 60,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,635.07 : 116,369.56 = 40,157.43 : x
  2. Step 2: Convert to fraction form
    77,635.07/116,369.56 = 40,157.43/x
  3. Step 3: Cross multiply
    77,635.07x = 116,369.56 × 40,157.43
  4. Step 4: Simplify right side
    77,635.07x = 4,673,102,459.83
  5. Step 5: Solve for x
    x = 4,673,102,459.83/77,635.07
  6. Step 6: Final answer
    x = 60,193.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.