Home / 115,450.40-172,932.53-59,119.35

Finding the Fourth Proportional to 115,450.40, 172,932.53 and 59,119.35

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Solution

The fourth proportional to 115,450.40, 172,932.53 and 59,119.35 is: 88,554.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,450.40 : 172,932.53 = 59,119.35 : x
  2. Step 2: Convert to fraction form
    115,450.40/172,932.53 = 59,119.35/x
  3. Step 3: Cross multiply
    115,450.40x = 172,932.53 × 59,119.35
  4. Step 4: Simplify right side
    115,450.40x = 10,223,658,471.86
  5. Step 5: Solve for x
    x = 10,223,658,471.86/115,450.40
  6. Step 6: Final answer
    x = 88,554.56

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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.