Home / 53,613.99-80,338.97-28,657.58

Finding the Fourth Proportional to 53,613.99, 80,338.97 and 28,657.58

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Solution

The fourth proportional to 53,613.99, 80,338.97 and 28,657.58 is: 42,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.99 : 80,338.97 = 28,657.58 : x
  2. Step 2: Convert to fraction form
    53,613.99/80,338.97 = 28,657.58/x
  3. Step 3: Cross multiply
    53,613.99x = 80,338.97 × 28,657.58
  4. Step 4: Simplify right side
    53,613.99x = 2,302,319,914.91
  5. Step 5: Solve for x
    x = 2,302,319,914.91/53,613.99
  6. Step 6: Final answer
    x = 42,942.52

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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.