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Finding the Fourth Proportional to 62,458.30, 93,730.65 and 44,940.70

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Solution

The fourth proportional to 62,458.30, 93,730.65 and 44,940.70 is: 67,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,458.30 : 93,730.65 = 44,940.70 : x
  2. Step 2: Convert to fraction form
    62,458.30/93,730.65 = 44,940.70/x
  3. Step 3: Cross multiply
    62,458.30x = 93,730.65 × 44,940.70
  4. Step 4: Simplify right side
    62,458.30x = 4,212,321,022.46
  5. Step 5: Solve for x
    x = 4,212,321,022.46/62,458.30
  6. Step 6: Final answer
    x = 67,442.13

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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.