Home / 74,370.76-102,595.62-49,241.32

Finding the Fourth Proportional to 74,370.76, 102,595.62 and 49,241.32

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Solution

The fourth proportional to 74,370.76, 102,595.62 and 49,241.32 is: 67,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,370.76 : 102,595.62 = 49,241.32 : x
  2. Step 2: Convert to fraction form
    74,370.76/102,595.62 = 49,241.32/x
  3. Step 3: Cross multiply
    74,370.76x = 102,595.62 × 49,241.32
  4. Step 4: Simplify right side
    74,370.76x = 5,051,943,755.02
  5. Step 5: Solve for x
    x = 5,051,943,755.02/74,370.76
  6. Step 6: Final answer
    x = 67,929.17

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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.