Home / 93,985.38-140,963.76-30,805.38

Finding the Fourth Proportional to 93,985.38, 140,963.76 and 30,805.38

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Solution

The fourth proportional to 93,985.38, 140,963.76 and 30,805.38 is: 46,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,985.38 : 140,963.76 = 30,805.38 : x
  2. Step 2: Convert to fraction form
    93,985.38/140,963.76 = 30,805.38/x
  3. Step 3: Cross multiply
    93,985.38x = 140,963.76 × 30,805.38
  4. Step 4: Simplify right side
    93,985.38x = 4,342,442,193.03
  5. Step 5: Solve for x
    x = 4,342,442,193.03/93,985.38
  6. Step 6: Final answer
    x = 46,203.38

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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.