Home / 51,132.87-70,558.32-29,907.99

Finding the Fourth Proportional to 51,132.87, 70,558.32 and 29,907.99

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Solution

The fourth proportional to 51,132.87, 70,558.32 and 29,907.99 is: 41,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,132.87 : 70,558.32 = 29,907.99 : x
  2. Step 2: Convert to fraction form
    51,132.87/70,558.32 = 29,907.99/x
  3. Step 3: Cross multiply
    51,132.87x = 70,558.32 × 29,907.99
  4. Step 4: Simplify right side
    51,132.87x = 2,110,257,528.98
  5. Step 5: Solve for x
    x = 2,110,257,528.98/51,132.87
  6. Step 6: Final answer
    x = 41,270.08

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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.