Home / 80,587.58-111,211.35-44,288.64

Finding the Fourth Proportional to 80,587.58, 111,211.35 and 44,288.64

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Solution

The fourth proportional to 80,587.58, 111,211.35 and 44,288.64 is: 61,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,587.58 : 111,211.35 = 44,288.64 : x
  2. Step 2: Convert to fraction form
    80,587.58/111,211.35 = 44,288.64/x
  3. Step 3: Cross multiply
    80,587.58x = 111,211.35 × 44,288.64
  4. Step 4: Simplify right side
    80,587.58x = 4,925,399,277.98
  5. Step 5: Solve for x
    x = 4,925,399,277.98/80,587.58
  6. Step 6: Final answer
    x = 61,118.59

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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.