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Finding the Fourth Proportional to 62,125.63, 93,152.90 and 28,828.55

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Solution

The fourth proportional to 62,125.63, 93,152.90 and 28,828.55 is: 43,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,125.63 : 93,152.90 = 28,828.55 : x
  2. Step 2: Convert to fraction form
    62,125.63/93,152.90 = 28,828.55/x
  3. Step 3: Cross multiply
    62,125.63x = 93,152.90 × 28,828.55
  4. Step 4: Simplify right side
    62,125.63x = 2,685,462,891.15
  5. Step 5: Solve for x
    x = 2,685,462,891.15/62,125.63
  6. Step 6: Final answer
    x = 43,226.33

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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.