Home / 83,818.52-115,668.92-45,578.09

Finding the Fourth Proportional to 83,818.52, 115,668.92 and 45,578.09

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Solution

The fourth proportional to 83,818.52, 115,668.92 and 45,578.09 is: 62,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,818.52 : 115,668.92 = 45,578.09 : x
  2. Step 2: Convert to fraction form
    83,818.52/115,668.92 = 45,578.09/x
  3. Step 3: Cross multiply
    83,818.52x = 115,668.92 × 45,578.09
  4. Step 4: Simplify right side
    83,818.52x = 5,271,968,849.08
  5. Step 5: Solve for x
    x = 5,271,968,849.08/83,818.52
  6. Step 6: Final answer
    x = 62,897.42

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1.5x scale

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.