Home / 93,751.23-129,380.00-51,309.75

Finding the Fourth Proportional to 93,751.23, 129,380.00 and 51,309.75

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Solution

The fourth proportional to 93,751.23, 129,380.00 and 51,309.75 is: 70,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,751.23 : 129,380.00 = 51,309.75 : x
  2. Step 2: Convert to fraction form
    93,751.23/129,380.00 = 51,309.75/x
  3. Step 3: Cross multiply
    93,751.23x = 129,380.00 × 51,309.75
  4. Step 4: Simplify right side
    93,751.23x = 6,638,455,198.45
  5. Step 5: Solve for x
    x = 6,638,455,198.45/93,751.23
  6. Step 6: Final answer
    x = 70,809.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.