Home / 49,543.80-74,315.70-31,829.10

Finding the Fourth Proportional to 49,543.80, 74,315.70 and 31,829.10

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Solution

The fourth proportional to 49,543.80, 74,315.70 and 31,829.10 is: 47,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,543.80 : 74,315.70 = 31,829.10 : x
  2. Step 2: Convert to fraction form
    49,543.80/74,315.70 = 31,829.10/x
  3. Step 3: Cross multiply
    49,543.80x = 74,315.70 × 31,829.10
  4. Step 4: Simplify right side
    49,543.80x = 2,365,401,846.87
  5. Step 5: Solve for x
    x = 2,365,401,846.87/49,543.80
  6. Step 6: Final answer
    x = 47,743.65

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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.