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Finding the Fourth Proportional to 93,759.69, 140,650.47 and 37,619.40

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Solution

The fourth proportional to 93,759.69, 140,650.47 and 37,619.40 is: 56,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,759.69 : 140,650.47 = 37,619.40 : x
  2. Step 2: Convert to fraction form
    93,759.69/140,650.47 = 37,619.40/x
  3. Step 3: Cross multiply
    93,759.69x = 140,650.47 × 37,619.40
  4. Step 4: Simplify right side
    93,759.69x = 5,291,186,291.12
  5. Step 5: Solve for x
    x = 5,291,186,291.12/93,759.69
  6. Step 6: Final answer
    x = 56,433.49

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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.