Home / 104,496.61-144,228.30-68,689.96

Finding the Fourth Proportional to 104,496.61, 144,228.30 and 68,689.96

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Solution

The fourth proportional to 104,496.61, 144,228.30 and 68,689.96 is: 94,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,496.61 : 144,228.30 = 68,689.96 : x
  2. Step 2: Convert to fraction form
    104,496.61/144,228.30 = 68,689.96/x
  3. Step 3: Cross multiply
    104,496.61x = 144,228.30 × 68,689.96
  4. Step 4: Simplify right side
    104,496.61x = 9,907,036,157.87
  5. Step 5: Solve for x
    x = 9,907,036,157.87/104,496.61
  6. Step 6: Final answer
    x = 94,807.25

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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.