Home / 90,566.43-124,979.24-54,288.37

Finding the Fourth Proportional to 90,566.43, 124,979.24 and 54,288.37

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Solution

The fourth proportional to 90,566.43, 124,979.24 and 54,288.37 is: 74,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,566.43 : 124,979.24 = 54,288.37 : x
  2. Step 2: Convert to fraction form
    90,566.43/124,979.24 = 54,288.37/x
  3. Step 3: Cross multiply
    90,566.43x = 124,979.24 × 54,288.37
  4. Step 4: Simplify right side
    90,566.43x = 6,784,918,999.35
  5. Step 5: Solve for x
    x = 6,784,918,999.35/90,566.43
  6. Step 6: Final answer
    x = 74,916.49

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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.