Home / 79,354.10-109,504.89-43,543.32

Finding the Fourth Proportional to 79,354.10, 109,504.89 and 43,543.32

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Solution

The fourth proportional to 79,354.10, 109,504.89 and 43,543.32 is: 60,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,354.10 : 109,504.89 = 43,543.32 : x
  2. Step 2: Convert to fraction form
    79,354.10/109,504.89 = 43,543.32/x
  3. Step 3: Cross multiply
    79,354.10x = 109,504.89 × 43,543.32
  4. Step 4: Simplify right side
    79,354.10x = 4,768,206,466.83
  5. Step 5: Solve for x
    x = 4,768,206,466.83/79,354.10
  6. Step 6: Final answer
    x = 60,087.72

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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.