Home / 80,525.34-120,771.61-30,587.93

Finding the Fourth Proportional to 80,525.34, 120,771.61 and 30,587.93

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Solution

The fourth proportional to 80,525.34, 120,771.61 and 30,587.93 is: 45,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525.34 : 120,771.61 = 30,587.93 : x
  2. Step 2: Convert to fraction form
    80,525.34/120,771.61 = 30,587.93/x
  3. Step 3: Cross multiply
    80,525.34x = 120,771.61 × 30,587.93
  4. Step 4: Simplify right side
    80,525.34x = 3,694,153,325.23
  5. Step 5: Solve for x
    x = 3,694,153,325.23/80,525.34
  6. Step 6: Final answer
    x = 45,875.66

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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.