Home / 79,353.85-109,504.55-43,543.07

Finding the Fourth Proportional to 79,353.85, 109,504.55 and 43,543.07

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Solution

The fourth proportional to 79,353.85, 109,504.55 and 43,543.07 is: 60,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,353.85 : 109,504.55 = 43,543.07 : x
  2. Step 2: Convert to fraction form
    79,353.85/109,504.55 = 43,543.07/x
  3. Step 3: Cross multiply
    79,353.85x = 109,504.55 × 43,543.07
  4. Step 4: Simplify right side
    79,353.85x = 4,768,164,068.25
  5. Step 5: Solve for x
    x = 4,768,164,068.25/79,353.85
  6. Step 6: Final answer
    x = 60,087.37

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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.