Home / 93,987.38-140,966.48-27,420.56

Finding the Fourth Proportional to 93,987.38, 140,966.48 and 27,420.56

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Solution

The fourth proportional to 93,987.38, 140,966.48 and 27,420.56 is: 41,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,987.38 : 140,966.48 = 27,420.56 : x
  2. Step 2: Convert to fraction form
    93,987.38/140,966.48 = 27,420.56/x
  3. Step 3: Cross multiply
    93,987.38x = 140,966.48 × 27,420.56
  4. Step 4: Simplify right side
    93,987.38x = 3,865,379,822.83
  5. Step 5: Solve for x
    x = 3,865,379,822.83/93,987.38
  6. Step 6: Final answer
    x = 41,126.58

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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.