Home / 93,239.66-139,844.97-51,140.45

Finding the Fourth Proportional to 93,239.66, 139,844.97 and 51,140.45

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Solution

The fourth proportional to 93,239.66, 139,844.97 and 51,140.45 is: 76,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,239.66 : 139,844.97 = 51,140.45 : x
  2. Step 2: Convert to fraction form
    93,239.66/139,844.97 = 51,140.45/x
  3. Step 3: Cross multiply
    93,239.66x = 139,844.97 × 51,140.45
  4. Step 4: Simplify right side
    93,239.66x = 7,151,733,996.81
  5. Step 5: Solve for x
    x = 7,151,733,996.81/93,239.66
  6. Step 6: Final answer
    x = 76,702.71

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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.