Home / 79,420.56-109,599.55-43,610.23

Finding the Fourth Proportional to 79,420.56, 109,599.55 and 43,610.23

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Solution

The fourth proportional to 79,420.56, 109,599.55 and 43,610.23 is: 60,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,420.56 : 109,599.55 = 43,610.23 : x
  2. Step 2: Convert to fraction form
    79,420.56/109,599.55 = 43,610.23/x
  3. Step 3: Cross multiply
    79,420.56x = 109,599.55 × 43,610.23
  4. Step 4: Simplify right side
    79,420.56x = 4,779,661,583.40
  5. Step 5: Solve for x
    x = 4,779,661,583.40/79,420.56
  6. Step 6: Final answer
    x = 60,181.67

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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.