Home / 79,423.43-109,597.19-43,612.65

Finding the Fourth Proportional to 79,423.43, 109,597.19 and 43,612.65

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Solution

The fourth proportional to 79,423.43, 109,597.19 and 43,612.65 is: 60,181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,423.43 : 109,597.19 = 43,612.65 : x
  2. Step 2: Convert to fraction form
    79,423.43/109,597.19 = 43,612.65/x
  3. Step 3: Cross multiply
    79,423.43x = 109,597.19 × 43,612.65
  4. Step 4: Simplify right side
    79,423.43x = 4,779,823,670.39
  5. Step 5: Solve for x
    x = 4,779,823,670.39/79,423.43
  6. Step 6: Final answer
    x = 60,181.54

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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.