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Finding the Fourth Proportional to 93,887.71, 140,837.27 and 30,714.49

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Solution

The fourth proportional to 93,887.71, 140,837.27 and 30,714.49 is: 46,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,887.71 : 140,837.27 = 30,714.49 : x
  2. Step 2: Convert to fraction form
    93,887.71/140,837.27 = 30,714.49/x
  3. Step 3: Cross multiply
    93,887.71x = 140,837.27 × 30,714.49
  4. Step 4: Simplify right side
    93,887.71x = 4,325,744,943.52
  5. Step 5: Solve for x
    x = 4,325,744,943.52/93,887.71
  6. Step 6: Final answer
    x = 46,073.60

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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.