Home / 80,703.06-121,069.27-26,670.83

Finding the Fourth Proportional to 80,703.06, 121,069.27 and 26,670.83

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Solution

The fourth proportional to 80,703.06, 121,069.27 and 26,670.83 is: 40,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,703.06 : 121,069.27 = 26,670.83 : x
  2. Step 2: Convert to fraction form
    80,703.06/121,069.27 = 26,670.83/x
  3. Step 3: Cross multiply
    80,703.06x = 121,069.27 × 26,670.83
  4. Step 4: Simplify right side
    80,703.06x = 3,229,017,346.39
  5. Step 5: Solve for x
    x = 3,229,017,346.39/80,703.06
  6. Step 6: Final answer
    x = 40,011.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.