Home / 77,635.26-116,369.83-40,157.61

Finding the Fourth Proportional to 77,635.26, 116,369.83 and 40,157.61

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Solution

The fourth proportional to 77,635.26, 116,369.83 and 40,157.61 is: 60,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,635.26 : 116,369.83 = 40,157.61 : x
  2. Step 2: Convert to fraction form
    77,635.26/116,369.83 = 40,157.61/x
  3. Step 3: Cross multiply
    77,635.26x = 116,369.83 × 40,157.61
  4. Step 4: Simplify right side
    77,635.26x = 4,673,134,248.91
  5. Step 5: Solve for x
    x = 4,673,134,248.91/77,635.26
  6. Step 6: Final answer
    x = 60,193.45

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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.