Home / 68,303.29-94,269.89-39,639.92

Finding the Fourth Proportional to 68,303.29, 94,269.89 and 39,639.92

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Solution

The fourth proportional to 68,303.29, 94,269.89 and 39,639.92 is: 54,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,303.29 : 94,269.89 = 39,639.92 : x
  2. Step 2: Convert to fraction form
    68,303.29/94,269.89 = 39,639.92/x
  3. Step 3: Cross multiply
    68,303.29x = 94,269.89 × 39,639.92
  4. Step 4: Simplify right side
    68,303.29x = 3,736,850,898.01
  5. Step 5: Solve for x
    x = 3,736,850,898.01/68,303.29
  6. Step 6: Final answer
    x = 54,709.68

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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.