Home / 80,653.98-120,744.39-56,554.73

Finding the Fourth Proportional to 80,653.98, 120,744.39 and 56,554.73

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Solution

The fourth proportional to 80,653.98, 120,744.39 and 56,554.73 is: 84,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,653.98 : 120,744.39 = 56,554.73 : x
  2. Step 2: Convert to fraction form
    80,653.98/120,744.39 = 56,554.73/x
  3. Step 3: Cross multiply
    80,653.98x = 120,744.39 × 56,554.73
  4. Step 4: Simplify right side
    80,653.98x = 6,828,665,771.74
  5. Step 5: Solve for x
    x = 6,828,665,771.74/80,653.98
  6. Step 6: Final answer
    x = 84,666.20

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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.