Home / 93,140.14-139,708.83-23,019.43

Finding the Fourth Proportional to 93,140.14, 139,708.83 and 23,019.43

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Solution

The fourth proportional to 93,140.14, 139,708.83 and 23,019.43 is: 34,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,140.14 : 139,708.83 = 23,019.43 : x
  2. Step 2: Convert to fraction form
    93,140.14/139,708.83 = 23,019.43/x
  3. Step 3: Cross multiply
    93,140.14x = 139,708.83 × 23,019.43
  4. Step 4: Simplify right side
    93,140.14x = 3,216,017,632.57
  5. Step 5: Solve for x
    x = 3,216,017,632.57/93,140.14
  6. Step 6: Final answer
    x = 34,528.80

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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.