Home / 53,685.49-80,422.88-43,700.97

Finding the Fourth Proportional to 53,685.49, 80,422.88 and 43,700.97

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Solution

The fourth proportional to 53,685.49, 80,422.88 and 43,700.97 is: 65,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,685.49 : 80,422.88 = 43,700.97 : x
  2. Step 2: Convert to fraction form
    53,685.49/80,422.88 = 43,700.97/x
  3. Step 3: Cross multiply
    53,685.49x = 80,422.88 × 43,700.97
  4. Step 4: Simplify right side
    53,685.49x = 3,514,557,464.08
  5. Step 5: Solve for x
    x = 3,514,557,464.08/53,685.49
  6. Step 6: Final answer
    x = 65,465.69

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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.