Home / 53,613.48-80,338.21-28,657.08

Finding the Fourth Proportional to 53,613.48, 80,338.21 and 28,657.08

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Solution

The fourth proportional to 53,613.48, 80,338.21 and 28,657.08 is: 42,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.48 : 80,338.21 = 28,657.08 : x
  2. Step 2: Convert to fraction form
    53,613.48/80,338.21 = 28,657.08/x
  3. Step 3: Cross multiply
    53,613.48x = 80,338.21 × 28,657.08
  4. Step 4: Simplify right side
    53,613.48x = 2,302,258,511.03
  5. Step 5: Solve for x
    x = 2,302,258,511.03/53,613.48
  6. Step 6: Final answer
    x = 42,941.78

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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.