Home / 68,296.40-102,458.28-28,853.36

Finding the Fourth Proportional to 68,296.40, 102,458.28 and 28,853.36

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Solution

The fourth proportional to 68,296.40, 102,458.28 and 28,853.36 is: 43,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,296.40 : 102,458.28 = 28,853.36 : x
  2. Step 2: Convert to fraction form
    68,296.40/102,458.28 = 28,853.36/x
  3. Step 3: Cross multiply
    68,296.40x = 102,458.28 × 28,853.36
  4. Step 4: Simplify right side
    68,296.40x = 2,956,265,637.82
  5. Step 5: Solve for x
    x = 2,956,265,637.82/68,296.40
  6. Step 6: Final answer
    x = 43,285.82

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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.