Home / 52,526.90-78,795.22-20,929.34

Finding the Fourth Proportional to 52,526.90, 78,795.22 and 20,929.34

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Solution

The fourth proportional to 52,526.90, 78,795.22 and 20,929.34 is: 31,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,526.90 : 78,795.22 = 20,929.34 : x
  2. Step 2: Convert to fraction form
    52,526.90/78,795.22 = 20,929.34/x
  3. Step 3: Cross multiply
    52,526.90x = 78,795.22 × 20,929.34
  4. Step 4: Simplify right side
    52,526.90x = 1,649,131,949.75
  5. Step 5: Solve for x
    x = 1,649,131,949.75/52,526.90
  6. Step 6: Final answer
    x = 31,395.95

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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.