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Finding the Fourth Proportional to 93,751.02, 140,638.14 and 34,587

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Solution

The fourth proportional to 93,751.02, 140,638.14 and 34,587 is: 51,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,751.02 : 140,638.14 = 34,587 : x
  2. Step 2: Convert to fraction form
    93,751.02/140,638.14 = 34,587/x
  3. Step 3: Cross multiply
    93,751.02x = 140,638.14 × 34,587
  4. Step 4: Simplify right side
    93,751.02x = 4,864,251,348.18
  5. Step 5: Solve for x
    x = 4,864,251,348.18/93,751.02
  6. Step 6: Final answer
    x = 51,884.78

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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.