Home / 68,318.51-102,512.61-46,085.30

Finding the Fourth Proportional to 68,318.51, 102,512.61 and 46,085.30

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Solution

The fourth proportional to 68,318.51, 102,512.61 and 46,085.30 is: 69,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,318.51 : 102,512.61 = 46,085.30 : x
  2. Step 2: Convert to fraction form
    68,318.51/102,512.61 = 46,085.30/x
  3. Step 3: Cross multiply
    68,318.51x = 102,512.61 × 46,085.30
  4. Step 4: Simplify right side
    68,318.51x = 4,724,324,385.63
  5. Step 5: Solve for x
    x = 4,724,324,385.63/68,318.51
  6. Step 6: Final answer
    x = 69,151.46

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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.