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Finding the Fourth Proportional to 93,984.98, 140,969.99 and 37,785.47

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Solution

The fourth proportional to 93,984.98, 140,969.99 and 37,785.47 is: 56,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,984.98 : 140,969.99 = 37,785.47 : x
  2. Step 2: Convert to fraction form
    93,984.98/140,969.99 = 37,785.47/x
  3. Step 3: Cross multiply
    93,984.98x = 140,969.99 × 37,785.47
  4. Step 4: Simplify right side
    93,984.98x = 5,326,616,717.66
  5. Step 5: Solve for x
    x = 5,326,616,717.66/93,984.98
  6. Step 6: Final answer
    x = 56,675.19

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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.