Home / 53,188.99-73,401.26-29,315.73

Finding the Fourth Proportional to 53,188.99, 73,401.26 and 29,315.73

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Solution

The fourth proportional to 53,188.99, 73,401.26 and 29,315.73 is: 40,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,188.99 : 73,401.26 = 29,315.73 : x
  2. Step 2: Convert to fraction form
    53,188.99/73,401.26 = 29,315.73/x
  3. Step 3: Cross multiply
    53,188.99x = 73,401.26 × 29,315.73
  4. Step 4: Simplify right side
    53,188.99x = 2,151,811,519.82
  5. Step 5: Solve for x
    x = 2,151,811,519.82/53,188.99
  6. Step 6: Final answer
    x = 40,455.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.