Home / 53,174.79-73,381.23-28,975.59

Finding the Fourth Proportional to 53,174.79, 73,381.23 and 28,975.59

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Solution

The fourth proportional to 53,174.79, 73,381.23 and 28,975.59 is: 39,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,174.79 : 73,381.23 = 28,975.59 : x
  2. Step 2: Convert to fraction form
    53,174.79/73,381.23 = 28,975.59/x
  3. Step 3: Cross multiply
    53,174.79x = 73,381.23 × 28,975.59
  4. Step 4: Simplify right side
    53,174.79x = 2,126,264,434.18
  5. Step 5: Solve for x
    x = 2,126,264,434.18/53,174.79
  6. Step 6: Final answer
    x = 39,986.32

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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.