Home / 93,083.28-139,563.71-61,396.68

Finding the Fourth Proportional to 93,083.28, 139,563.71 and 61,396.68

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Solution

The fourth proportional to 93,083.28, 139,563.71 and 61,396.68 is: 92,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,083.28 : 139,563.71 = 61,396.68 : x
  2. Step 2: Convert to fraction form
    93,083.28/139,563.71 = 61,396.68/x
  3. Step 3: Cross multiply
    93,083.28x = 139,563.71 × 61,396.68
  4. Step 4: Simplify right side
    93,083.28x = 8,568,748,889.10
  5. Step 5: Solve for x
    x = 8,568,748,889.10/93,083.28
  6. Step 6: Final answer
    x = 92,054.66

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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.