Home / 53,613.16-80,433.12-16,172.32

Finding the Fourth Proportional to 53,613.16, 80,433.12 and 16,172.32

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Solution

The fourth proportional to 53,613.16, 80,433.12 and 16,172.32 is: 24,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,613.16 : 80,433.12 = 16,172.32 : x
  2. Step 2: Convert to fraction form
    53,613.16/80,433.12 = 16,172.32/x
  3. Step 3: Cross multiply
    53,613.16x = 80,433.12 × 16,172.32
  4. Step 4: Simplify right side
    53,613.16x = 1,300,790,155.24
  5. Step 5: Solve for x
    x = 1,300,790,155.24/53,613.16
  6. Step 6: Final answer
    x = 24,262.52

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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.