Home / 80,537.04-120,731.04-30,602.16

Finding the Fourth Proportional to 80,537.04, 120,731.04 and 30,602.16

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Solution

The fourth proportional to 80,537.04, 120,731.04 and 30,602.16 is: 45,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,537.04 : 120,731.04 = 30,602.16 : x
  2. Step 2: Convert to fraction form
    80,537.04/120,731.04 = 30,602.16/x
  3. Step 3: Cross multiply
    80,537.04x = 120,731.04 × 30,602.16
  4. Step 4: Simplify right side
    80,537.04x = 3,694,630,603.05
  5. Step 5: Solve for x
    x = 3,694,630,603.05/80,537.04
  6. Step 6: Final answer
    x = 45,874.92

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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.