Home / 53,170.90-79,756.47-49,923.22

Finding the Fourth Proportional to 53,170.90, 79,756.47 and 49,923.22

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Solution

The fourth proportional to 53,170.90, 79,756.47 and 49,923.22 is: 74,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,170.90 : 79,756.47 = 49,923.22 : x
  2. Step 2: Convert to fraction form
    53,170.90/79,756.47 = 49,923.22/x
  3. Step 3: Cross multiply
    53,170.90x = 79,756.47 × 49,923.22
  4. Step 4: Simplify right side
    53,170.90x = 3,981,699,798.23
  5. Step 5: Solve for x
    x = 3,981,699,798.23/53,170.90
  6. Step 6: Final answer
    x = 74,884.94

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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.