Home / 79,391.57-109,559.93-43,582.19

Finding the Fourth Proportional to 79,391.57, 109,559.93 and 43,582.19

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Solution

The fourth proportional to 79,391.57, 109,559.93 and 43,582.19 is: 60,143.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,391.57 : 109,559.93 = 43,582.19 : x
  2. Step 2: Convert to fraction form
    79,391.57/109,559.93 = 43,582.19/x
  3. Step 3: Cross multiply
    79,391.57x = 109,559.93 × 43,582.19
  4. Step 4: Simplify right side
    79,391.57x = 4,774,861,467.74
  5. Step 5: Solve for x
    x = 4,774,861,467.74/79,391.57
  6. Step 6: Final answer
    x = 60,143.18

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1.5x scale

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.