Home / 93,318.86-139,912.66-43,345.90

Finding the Fourth Proportional to 93,318.86, 139,912.66 and 43,345.90

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Solution

The fourth proportional to 93,318.86, 139,912.66 and 43,345.90 is: 64,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,318.86 : 139,912.66 = 43,345.90 : x
  2. Step 2: Convert to fraction form
    93,318.86/139,912.66 = 43,345.90/x
  3. Step 3: Cross multiply
    93,318.86x = 139,912.66 × 43,345.90
  4. Step 4: Simplify right side
    93,318.86x = 6,064,640,169.09
  5. Step 5: Solve for x
    x = 6,064,640,169.09/93,318.86
  6. Step 6: Final answer
    x = 64,988.37

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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.