Home / 74,117.74-102,185.96-47,250.44

Finding the Fourth Proportional to 74,117.74, 102,185.96 and 47,250.44

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Solution

The fourth proportional to 74,117.74, 102,185.96 and 47,250.44 is: 65,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,117.74 : 102,185.96 = 47,250.44 : x
  2. Step 2: Convert to fraction form
    74,117.74/102,185.96 = 47,250.44/x
  3. Step 3: Cross multiply
    74,117.74x = 102,185.96 × 47,250.44
  4. Step 4: Simplify right side
    74,117.74x = 4,828,331,571.82
  5. Step 5: Solve for x
    x = 4,828,331,571.82/74,117.74
  6. Step 6: Final answer
    x = 65,144.07

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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.