Home / 80,013.91-120,038.75-30,094.44

Finding the Fourth Proportional to 80,013.91, 120,038.75 and 30,094.44

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Solution

The fourth proportional to 80,013.91, 120,038.75 and 30,094.44 is: 45,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,013.91 : 120,038.75 = 30,094.44 : x
  2. Step 2: Convert to fraction form
    80,013.91/120,038.75 = 30,094.44/x
  3. Step 3: Cross multiply
    80,013.91x = 120,038.75 × 30,094.44
  4. Step 4: Simplify right side
    80,013.91x = 3,612,499,109.17
  5. Step 5: Solve for x
    x = 3,612,499,109.17/80,013.91
  6. Step 6: Final answer
    x = 45,148.39

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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.