Home / 79,407.40-109,582.43-43,599.73

Finding the Fourth Proportional to 79,407.40, 109,582.43 and 43,599.73

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Solution

The fourth proportional to 79,407.40, 109,582.43 and 43,599.73 is: 60,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,407.40 : 109,582.43 = 43,599.73 : x
  2. Step 2: Convert to fraction form
    79,407.40/109,582.43 = 43,599.73/x
  3. Step 3: Cross multiply
    79,407.40x = 109,582.43 × 43,599.73
  4. Step 4: Simplify right side
    79,407.40x = 4,777,763,868.79
  5. Step 5: Solve for x
    x = 4,777,763,868.79/79,407.40
  6. Step 6: Final answer
    x = 60,167.74

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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.