Home / 52,524.90-78,792.21-20,927.34

Finding the Fourth Proportional to 52,524.90, 78,792.21 and 20,927.34

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Solution

The fourth proportional to 52,524.90, 78,792.21 and 20,927.34 is: 31,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,524.90 : 78,792.21 = 20,927.34 : x
  2. Step 2: Convert to fraction form
    52,524.90/78,792.21 = 20,927.34/x
  3. Step 3: Cross multiply
    52,524.90x = 78,792.21 × 20,927.34
  4. Step 4: Simplify right side
    52,524.90x = 1,648,911,368.02
  5. Step 5: Solve for x
    x = 1,648,911,368.02/52,524.90
  6. Step 6: Final answer
    x = 31,392.95

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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.