Home / 80,051.22-120,097.58-42,580.44

Finding the Fourth Proportional to 80,051.22, 120,097.58 and 42,580.44

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Solution

The fourth proportional to 80,051.22, 120,097.58 and 42,580.44 is: 63,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,051.22 : 120,097.58 = 42,580.44 : x
  2. Step 2: Convert to fraction form
    80,051.22/120,097.58 = 42,580.44/x
  3. Step 3: Cross multiply
    80,051.22x = 120,097.58 × 42,580.44
  4. Step 4: Simplify right side
    80,051.22x = 5,113,807,586.43
  5. Step 5: Solve for x
    x = 5,113,807,586.43/80,051.22
  6. Step 6: Final answer
    x = 63,881.69

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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.