Home / 79,521.75-109,742.58-43,714.35

Finding the Fourth Proportional to 79,521.75, 109,742.58 and 43,714.35

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Solution

The fourth proportional to 79,521.75, 109,742.58 and 43,714.35 is: 60,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,521.75 : 109,742.58 = 43,714.35 : x
  2. Step 2: Convert to fraction form
    79,521.75/109,742.58 = 43,714.35/x
  3. Step 3: Cross multiply
    79,521.75x = 109,742.58 × 43,714.35
  4. Step 4: Simplify right side
    79,521.75x = 4,797,325,552.02
  5. Step 5: Solve for x
    x = 4,797,325,552.02/79,521.75
  6. Step 6: Final answer
    x = 60,327.21

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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.