Home / 115,409.34-173,139.12-36,524.25

Finding the Fourth Proportional to 115,409.34, 173,139.12 and 36,524.25

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Solution

The fourth proportional to 115,409.34, 173,139.12 and 36,524.25 is: 54,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,409.34 : 173,139.12 = 36,524.25 : x
  2. Step 2: Convert to fraction form
    115,409.34/173,139.12 = 36,524.25/x
  3. Step 3: Cross multiply
    115,409.34x = 173,139.12 × 36,524.25
  4. Step 4: Simplify right side
    115,409.34x = 6,323,776,503.66
  5. Step 5: Solve for x
    x = 6,323,776,503.66/115,409.34
  6. Step 6: Final answer
    x = 54,794.32

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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.