Home / 51,114.68-70,541.58-28,453.40

Finding the Fourth Proportional to 51,114.68, 70,541.58 and 28,453.40

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Solution

The fourth proportional to 51,114.68, 70,541.58 and 28,453.40 is: 39,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,114.68 : 70,541.58 = 28,453.40 : x
  2. Step 2: Convert to fraction form
    51,114.68/70,541.58 = 28,453.40/x
  3. Step 3: Cross multiply
    51,114.68x = 70,541.58 × 28,453.40
  4. Step 4: Simplify right side
    51,114.68x = 2,007,147,792.37
  5. Step 5: Solve for x
    x = 2,007,147,792.37/51,114.68
  6. Step 6: Final answer
    x = 39,267.54

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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.