Home / 79,345.26-109,503.55-43,542.25

Finding the Fourth Proportional to 79,345.26, 109,503.55 and 43,542.25

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Solution

The fourth proportional to 79,345.26, 109,503.55 and 43,542.25 is: 60,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,345.26 : 109,503.55 = 43,542.25 : x
  2. Step 2: Convert to fraction form
    79,345.26/109,503.55 = 43,542.25/x
  3. Step 3: Cross multiply
    79,345.26x = 109,503.55 × 43,542.25
  4. Step 4: Simplify right side
    79,345.26x = 4,768,030,402.47
  5. Step 5: Solve for x
    x = 4,768,030,402.47/79,345.26
  6. Step 6: Final answer
    x = 60,092.19

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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.