Home / 93,090.20-139,640.70-26,535.20

Finding the Fourth Proportional to 93,090.20, 139,640.70 and 26,535.20

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Solution

The fourth proportional to 93,090.20, 139,640.70 and 26,535.20 is: 39,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,090.20 : 139,640.70 = 26,535.20 : x
  2. Step 2: Convert to fraction form
    93,090.20/139,640.70 = 26,535.20/x
  3. Step 3: Cross multiply
    93,090.20x = 139,640.70 × 26,535.20
  4. Step 4: Simplify right side
    93,090.20x = 3,705,393,902.64
  5. Step 5: Solve for x
    x = 3,705,393,902.64/93,090.20
  6. Step 6: Final answer
    x = 39,804.34

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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.