Home / 68,821.96-103,163.22-46,637.58

Finding the Fourth Proportional to 68,821.96, 103,163.22 and 46,637.58

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Solution

The fourth proportional to 68,821.96, 103,163.22 and 46,637.58 is: 69,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,821.96 : 103,163.22 = 46,637.58 : x
  2. Step 2: Convert to fraction form
    68,821.96/103,163.22 = 46,637.58/x
  3. Step 3: Cross multiply
    68,821.96x = 103,163.22 × 46,637.58
  4. Step 4: Simplify right side
    68,821.96x = 4,811,282,925.81
  5. Step 5: Solve for x
    x = 4,811,282,925.81/68,821.96
  6. Step 6: Final answer
    x = 69,909.12

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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.