Home / 53,713.65-80,570.48-28,830.45

Finding the Fourth Proportional to 53,713.65, 80,570.48 and 28,830.45

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Solution

The fourth proportional to 53,713.65, 80,570.48 and 28,830.45 is: 43,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,713.65 : 80,570.48 = 28,830.45 : x
  2. Step 2: Convert to fraction form
    53,713.65/80,570.48 = 28,830.45/x
  3. Step 3: Cross multiply
    53,713.65x = 80,570.48 × 28,830.45
  4. Step 4: Simplify right side
    53,713.65x = 2,322,883,050.96
  5. Step 5: Solve for x
    x = 2,322,883,050.96/53,713.65
  6. Step 6: Final answer
    x = 43,245.68

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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.