Home / 93,010.98-139,513.39-40,420.52

Finding the Fourth Proportional to 93,010.98, 139,513.39 and 40,420.52

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Solution

The fourth proportional to 93,010.98, 139,513.39 and 40,420.52 is: 60,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,010.98 : 139,513.39 = 40,420.52 : x
  2. Step 2: Convert to fraction form
    93,010.98/139,513.39 = 40,420.52/x
  3. Step 3: Cross multiply
    93,010.98x = 139,513.39 × 40,420.52
  4. Step 4: Simplify right side
    93,010.98x = 5,639,203,495.32
  5. Step 5: Solve for x
    x = 5,639,203,495.32/93,010.98
  6. Step 6: Final answer
    x = 60,629.44

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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.