Home / 68,813.42-94,833.92-53,682.08

Finding the Fourth Proportional to 68,813.42, 94,833.92 and 53,682.08

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Solution

The fourth proportional to 68,813.42, 94,833.92 and 53,682.08 is: 73,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,813.42 : 94,833.92 = 53,682.08 : x
  2. Step 2: Convert to fraction form
    68,813.42/94,833.92 = 53,682.08/x
  3. Step 3: Cross multiply
    68,813.42x = 94,833.92 × 53,682.08
  4. Step 4: Simplify right side
    68,813.42x = 5,090,881,740.19
  5. Step 5: Solve for x
    x = 5,090,881,740.19/68,813.42
  6. Step 6: Final answer
    x = 73,980.95

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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.