Home / 68,535.54-102,803.49-42,185.07

Finding the Fourth Proportional to 68,535.54, 102,803.49 and 42,185.07

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Solution

The fourth proportional to 68,535.54, 102,803.49 and 42,185.07 is: 63,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,535.54 : 102,803.49 = 42,185.07 : x
  2. Step 2: Convert to fraction form
    68,535.54/102,803.49 = 42,185.07/x
  3. Step 3: Cross multiply
    68,535.54x = 102,803.49 × 42,185.07
  4. Step 4: Simplify right side
    68,535.54x = 4,336,772,421.89
  5. Step 5: Solve for x
    x = 4,336,772,421.89/68,535.54
  6. Step 6: Final answer
    x = 63,277.72

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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.