Home / 114,990.56-172,485.84-52,475.36

Finding the Fourth Proportional to 114,990.56, 172,485.84 and 52,475.36

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Solution

The fourth proportional to 114,990.56, 172,485.84 and 52,475.36 is: 78,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,990.56 : 172,485.84 = 52,475.36 : x
  2. Step 2: Convert to fraction form
    114,990.56/172,485.84 = 52,475.36/x
  3. Step 3: Cross multiply
    114,990.56x = 172,485.84 × 52,475.36
  4. Step 4: Simplify right side
    114,990.56x = 9,051,256,548.90
  5. Step 5: Solve for x
    x = 9,051,256,548.90/114,990.56
  6. Step 6: Final answer
    x = 78,713.04

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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.