Home / 53,464.65-80,126.16-28,450.77

Finding the Fourth Proportional to 53,464.65, 80,126.16 and 28,450.77

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Solution

The fourth proportional to 53,464.65, 80,126.16 and 28,450.77 is: 42,638.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,464.65 : 80,126.16 = 28,450.77 : x
  2. Step 2: Convert to fraction form
    53,464.65/80,126.16 = 28,450.77/x
  3. Step 3: Cross multiply
    53,464.65x = 80,126.16 × 28,450.77
  4. Step 4: Simplify right side
    53,464.65x = 2,279,650,949.14
  5. Step 5: Solve for x
    x = 2,279,650,949.14/53,464.65
  6. Step 6: Final answer
    x = 42,638.47

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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.