Home / 74,043.20-102,150.55-43,817.51

Finding the Fourth Proportional to 74,043.20, 102,150.55 and 43,817.51

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Solution

The fourth proportional to 74,043.20, 102,150.55 and 43,817.51 is: 60,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,043.20 : 102,150.55 = 43,817.51 : x
  2. Step 2: Convert to fraction form
    74,043.20/102,150.55 = 43,817.51/x
  3. Step 3: Cross multiply
    74,043.20x = 102,150.55 × 43,817.51
  4. Step 4: Simplify right side
    74,043.20x = 4,475,982,746.13
  5. Step 5: Solve for x
    x = 4,475,982,746.13/74,043.20
  6. Step 6: Final answer
    x = 60,450.96

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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.