Home / 51,621.10-77,400.67-17,876.00

Finding the Fourth Proportional to 51,621.10, 77,400.67 and 17,876.00

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Solution

The fourth proportional to 51,621.10, 77,400.67 and 17,876.00 is: 26,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621.10 : 77,400.67 = 17,876.00 : x
  2. Step 2: Convert to fraction form
    51,621.10/77,400.67 = 17,876.00/x
  3. Step 3: Cross multiply
    51,621.10x = 77,400.67 × 17,876.00
  4. Step 4: Simplify right side
    51,621.10x = 1,383,613,945.23
  5. Step 5: Solve for x
    x = 1,383,613,945.23/51,621.10
  6. Step 6: Final answer
    x = 26,803.26

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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.