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Finding the Fourth Proportional to 93,725.78, 140,590.30 and 34,530.98

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Solution

The fourth proportional to 93,725.78, 140,590.30 and 34,530.98 is: 51,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,725.78 : 140,590.30 = 34,530.98 : x
  2. Step 2: Convert to fraction form
    93,725.78/140,590.30 = 34,530.98/x
  3. Step 3: Cross multiply
    93,725.78x = 140,590.30 × 34,530.98
  4. Step 4: Simplify right side
    93,725.78x = 4,854,720,837.49
  5. Step 5: Solve for x
    x = 4,854,720,837.49/93,725.78
  6. Step 6: Final answer
    x = 51,797.07

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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.