Home / 74,687.12-103,063.56-41,153.12

Finding the Fourth Proportional to 74,687.12, 103,063.56 and 41,153.12

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Solution

The fourth proportional to 74,687.12, 103,063.56 and 41,153.12 is: 56,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,687.12 : 103,063.56 = 41,153.12 : x
  2. Step 2: Convert to fraction form
    74,687.12/103,063.56 = 41,153.12/x
  3. Step 3: Cross multiply
    74,687.12x = 103,063.56 × 41,153.12
  4. Step 4: Simplify right side
    74,687.12x = 4,241,387,052.31
  5. Step 5: Solve for x
    x = 4,241,387,052.31/74,687.12
  6. Step 6: Final answer
    x = 56,788.73

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1.5x scale

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.