Home / 53,013.42-73,156.66-29,139.94

Finding the Fourth Proportional to 53,013.42, 73,156.66 and 29,139.94

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Solution

The fourth proportional to 53,013.42, 73,156.66 and 29,139.94 is: 40,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.42 : 73,156.66 = 29,139.94 : x
  2. Step 2: Convert to fraction form
    53,013.42/73,156.66 = 29,139.94/x
  3. Step 3: Cross multiply
    53,013.42x = 73,156.66 × 29,139.94
  4. Step 4: Simplify right side
    53,013.42x = 2,131,780,683.00
  5. Step 5: Solve for x
    x = 2,131,780,683.00/53,013.42
  6. Step 6: Final answer
    x = 40,212.10

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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.