Home / 74,734.17-103,074.76-47,879.22

Finding the Fourth Proportional to 74,734.17, 103,074.76 and 47,879.22

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Solution

The fourth proportional to 74,734.17, 103,074.76 and 47,879.22 is: 66,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734.17 : 103,074.76 = 47,879.22 : x
  2. Step 2: Convert to fraction form
    74,734.17/103,074.76 = 47,879.22/x
  3. Step 3: Cross multiply
    74,734.17x = 103,074.76 × 47,879.22
  4. Step 4: Simplify right side
    74,734.17x = 4,935,139,110.49
  5. Step 5: Solve for x
    x = 4,935,139,110.49/74,734.17
  6. Step 6: Final answer
    x = 66,035.91

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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.