Home / 90,566.52-124,979.37-54,288.47

Finding the Fourth Proportional to 90,566.52, 124,979.37 and 54,288.47

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Solution

The fourth proportional to 90,566.52, 124,979.37 and 54,288.47 is: 74,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,566.52 : 124,979.37 = 54,288.47 : x
  2. Step 2: Convert to fraction form
    90,566.52/124,979.37 = 54,288.47/x
  3. Step 3: Cross multiply
    90,566.52x = 124,979.37 × 54,288.47
  4. Step 4: Simplify right side
    90,566.52x = 6,784,938,153.97
  5. Step 5: Solve for x
    x = 6,784,938,153.97/90,566.52
  6. Step 6: Final answer
    x = 74,916.62

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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.