Home / 68,969.16-95,187.72-42,127.11

Finding the Fourth Proportional to 68,969.16, 95,187.72 and 42,127.11

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Solution

The fourth proportional to 68,969.16, 95,187.72 and 42,127.11 is: 58,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,969.16 : 95,187.72 = 42,127.11 : x
  2. Step 2: Convert to fraction form
    68,969.16/95,187.72 = 42,127.11/x
  3. Step 3: Cross multiply
    68,969.16x = 95,187.72 × 42,127.11
  4. Step 4: Simplify right side
    68,969.16x = 4,009,983,551.09
  5. Step 5: Solve for x
    x = 4,009,983,551.09/68,969.16
  6. Step 6: Final answer
    x = 58,141.69

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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.