Home / 58,121.24-87,151.58-20,675.88

Finding the Fourth Proportional to 58,121.24, 87,151.58 and 20,675.88

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Solution

The fourth proportional to 58,121.24, 87,151.58 and 20,675.88 is: 31,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,121.24 : 87,151.58 = 20,675.88 : x
  2. Step 2: Convert to fraction form
    58,121.24/87,151.58 = 20,675.88/x
  3. Step 3: Cross multiply
    58,121.24x = 87,151.58 × 20,675.88
  4. Step 4: Simplify right side
    58,121.24x = 1,801,935,609.89
  5. Step 5: Solve for x
    x = 1,801,935,609.89/58,121.24
  6. Step 6: Final answer
    x = 31,003.05

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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.