Home / 80,999.04-121,297.68-56,064

Finding the Fourth Proportional to 80,999.04, 121,297.68 and 56,064

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Solution

The fourth proportional to 80,999.04, 121,297.68 and 56,064 is: 83,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,999.04 : 121,297.68 = 56,064 : x
  2. Step 2: Convert to fraction form
    80,999.04/121,297.68 = 56,064/x
  3. Step 3: Cross multiply
    80,999.04x = 121,297.68 × 56,064
  4. Step 4: Simplify right side
    80,999.04x = 6,800,433,131.52
  5. Step 5: Solve for x
    x = 6,800,433,131.52/80,999.04
  6. Step 6: Final answer
    x = 83,956.96

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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.