Home / 80,525.07-120,835.13-30,647.16

Finding the Fourth Proportional to 80,525.07, 120,835.13 and 30,647.16

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Solution

The fourth proportional to 80,525.07, 120,835.13 and 30,647.16 is: 45,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525.07 : 120,835.13 = 30,647.16 : x
  2. Step 2: Convert to fraction form
    80,525.07/120,835.13 = 30,647.16/x
  3. Step 3: Cross multiply
    80,525.07x = 120,835.13 × 30,647.16
  4. Step 4: Simplify right side
    80,525.07x = 3,703,253,409.50
  5. Step 5: Solve for x
    x = 3,703,253,409.50/80,525.07
  6. Step 6: Final answer
    x = 45,988.83

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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.