Home / 80,675.50-121,019.64-24,520.48

Finding the Fourth Proportional to 80,675.50, 121,019.64 and 24,520.48

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Solution

The fourth proportional to 80,675.50, 121,019.64 and 24,520.48 is: 36,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,675.50 : 121,019.64 = 24,520.48 : x
  2. Step 2: Convert to fraction form
    80,675.50/121,019.64 = 24,520.48/x
  3. Step 3: Cross multiply
    80,675.50x = 121,019.64 × 24,520.48
  4. Step 4: Simplify right side
    80,675.50x = 2,967,459,662.23
  5. Step 5: Solve for x
    x = 2,967,459,662.23/80,675.50
  6. Step 6: Final answer
    x = 36,782.66

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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.