Home / 52,156.24-71,929.16-40,958.80

Finding the Fourth Proportional to 52,156.24, 71,929.16 and 40,958.80

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Solution

The fourth proportional to 52,156.24, 71,929.16 and 40,958.80 is: 56,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,156.24 : 71,929.16 = 40,958.80 : x
  2. Step 2: Convert to fraction form
    52,156.24/71,929.16 = 40,958.80/x
  3. Step 3: Cross multiply
    52,156.24x = 71,929.16 × 40,958.80
  4. Step 4: Simplify right side
    52,156.24x = 2,946,132,078.61
  5. Step 5: Solve for x
    x = 2,946,132,078.61/52,156.24
  6. Step 6: Final answer
    x = 56,486.67

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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.