Home / 68,772.40-103,124.58-24,392.50

Finding the Fourth Proportional to 68,772.40, 103,124.58 and 24,392.50

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Solution

The fourth proportional to 68,772.40, 103,124.58 and 24,392.50 is: 36,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,772.40 : 103,124.58 = 24,392.50 : x
  2. Step 2: Convert to fraction form
    68,772.40/103,124.58 = 24,392.50/x
  3. Step 3: Cross multiply
    68,772.40x = 103,124.58 × 24,392.50
  4. Step 4: Simplify right side
    68,772.40x = 2,515,465,968.37
  5. Step 5: Solve for x
    x = 2,515,465,968.37/68,772.40
  6. Step 6: Final answer
    x = 36,576.68

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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.