Home / 93,291.45-139,959.03-30,961.95

Finding the Fourth Proportional to 93,291.45, 139,959.03 and 30,961.95

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Solution

The fourth proportional to 93,291.45, 139,959.03 and 30,961.95 is: 46,450.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,291.45 : 139,959.03 = 30,961.95 : x
  2. Step 2: Convert to fraction form
    93,291.45/139,959.03 = 30,961.95/x
  3. Step 3: Cross multiply
    93,291.45x = 139,959.03 × 30,961.95
  4. Step 4: Simplify right side
    93,291.45x = 4,333,404,488.91
  5. Step 5: Solve for x
    x = 4,333,404,488.91/93,291.45
  6. Step 6: Final answer
    x = 46,450.18

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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.