Home / 79,353.67-109,513.03-43,543.77

Finding the Fourth Proportional to 79,353.67, 109,513.03 and 43,543.77

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Solution

The fourth proportional to 79,353.67, 109,513.03 and 43,543.77 is: 60,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,353.67 : 109,513.03 = 43,543.77 : x
  2. Step 2: Convert to fraction form
    79,353.67/109,513.03 = 43,543.77/x
  3. Step 3: Cross multiply
    79,353.67x = 109,513.03 × 43,543.77
  4. Step 4: Simplify right side
    79,353.67x = 4,768,610,190.32
  5. Step 5: Solve for x
    x = 4,768,610,190.32/79,353.67
  6. Step 6: Final answer
    x = 60,093.13

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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.