Home / 68,777.10-103,235.18-35,520.93

Finding the Fourth Proportional to 68,777.10, 103,235.18 and 35,520.93

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Solution

The fourth proportional to 68,777.10, 103,235.18 and 35,520.93 is: 53,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,777.10 : 103,235.18 = 35,520.93 : x
  2. Step 2: Convert to fraction form
    68,777.10/103,235.18 = 35,520.93/x
  3. Step 3: Cross multiply
    68,777.10x = 103,235.18 × 35,520.93
  4. Step 4: Simplify right side
    68,777.10x = 3,667,009,424.71
  5. Step 5: Solve for x
    x = 3,667,009,424.71/68,777.10
  6. Step 6: Final answer
    x = 53,317.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.