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Finding the Fourth Proportional to 93,876.63, 140,832.72 and 37,721.14

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Solution

The fourth proportional to 93,876.63, 140,832.72 and 37,721.14 is: 56,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,876.63 : 140,832.72 = 37,721.14 : x
  2. Step 2: Convert to fraction form
    93,876.63/140,832.72 = 37,721.14/x
  3. Step 3: Cross multiply
    93,876.63x = 140,832.72 × 37,721.14
  4. Step 4: Simplify right side
    93,876.63x = 5,312,370,270.07
  5. Step 5: Solve for x
    x = 5,312,370,270.07/93,876.63
  6. Step 6: Final answer
    x = 56,588.85

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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.