Home / 105,923.85-158,741.60-53,369.43

Finding the Fourth Proportional to 105,923.85, 158,741.60 and 53,369.43

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Solution

The fourth proportional to 105,923.85, 158,741.60 and 53,369.43 is: 79,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923.85 : 158,741.60 = 53,369.43 : x
  2. Step 2: Convert to fraction form
    105,923.85/158,741.60 = 53,369.43/x
  3. Step 3: Cross multiply
    105,923.85x = 158,741.60 × 53,369.43
  4. Step 4: Simplify right side
    105,923.85x = 8,471,948,442.44
  5. Step 5: Solve for x
    x = 8,471,948,442.44/105,923.85
  6. Step 6: Final answer
    x = 79,981.50

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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.