Home / 93,811.82-140,721.83-30,631.45

Finding the Fourth Proportional to 93,811.82, 140,721.83 and 30,631.45

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Solution

The fourth proportional to 93,811.82, 140,721.83 and 30,631.45 is: 45,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,811.82 : 140,721.83 = 30,631.45 : x
  2. Step 2: Convert to fraction form
    93,811.82/140,721.83 = 30,631.45/x
  3. Step 3: Cross multiply
    93,811.82x = 140,721.83 × 30,631.45
  4. Step 4: Simplify right side
    93,811.82x = 4,310,513,699.55
  5. Step 5: Solve for x
    x = 4,310,513,699.55/93,811.82
  6. Step 6: Final answer
    x = 45,948.51

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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.