Home / 89,324.03-133,810.90-51,805.31

Finding the Fourth Proportional to 89,324.03, 133,810.90 and 51,805.31

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Solution

The fourth proportional to 89,324.03, 133,810.90 and 51,805.31 is: 77,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,324.03 : 133,810.90 = 51,805.31 : x
  2. Step 2: Convert to fraction form
    89,324.03/133,810.90 = 51,805.31/x
  3. Step 3: Cross multiply
    89,324.03x = 133,810.90 × 51,805.31
  4. Step 4: Simplify right side
    89,324.03x = 6,932,114,357.31
  5. Step 5: Solve for x
    x = 6,932,114,357.31/89,324.03
  6. Step 6: Final answer
    x = 77,606.37

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1.5x scale

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.