Home / 53,185.36-73,394.85-28,986.55

Finding the Fourth Proportional to 53,185.36, 73,394.85 and 28,986.55

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Solution

The fourth proportional to 53,185.36, 73,394.85 and 28,986.55 is: 40,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,185.36 : 73,394.85 = 28,986.55 : x
  2. Step 2: Convert to fraction form
    53,185.36/73,394.85 = 28,986.55/x
  3. Step 3: Cross multiply
    53,185.36x = 73,394.85 × 28,986.55
  4. Step 4: Simplify right side
    53,185.36x = 2,127,463,489.27
  5. Step 5: Solve for x
    x = 2,127,463,489.27/53,185.36
  6. Step 6: Final answer
    x = 40,000.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.