Home / 79,166.91-109,245.33-43,357.35

Finding the Fourth Proportional to 79,166.91, 109,245.33 and 43,357.35

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Solution

The fourth proportional to 79,166.91, 109,245.33 and 43,357.35 is: 59,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166.91 : 109,245.33 = 43,357.35 : x
  2. Step 2: Convert to fraction form
    79,166.91/109,245.33 = 43,357.35/x
  3. Step 3: Cross multiply
    79,166.91x = 109,245.33 × 43,357.35
  4. Step 4: Simplify right side
    79,166.91x = 4,736,588,008.68
  5. Step 5: Solve for x
    x = 4,736,588,008.68/79,166.91
  6. Step 6: Final answer
    x = 59,830.40

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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.