Home / 115,609.27-173,427.78-40,713.92

Finding the Fourth Proportional to 115,609.27, 173,427.78 and 40,713.92

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Solution

The fourth proportional to 115,609.27, 173,427.78 and 40,713.92 is: 61,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,609.27 : 173,427.78 = 40,713.92 : x
  2. Step 2: Convert to fraction form
    115,609.27/173,427.78 = 40,713.92/x
  3. Step 3: Cross multiply
    115,609.27x = 173,427.78 × 40,713.92
  4. Step 4: Simplify right side
    115,609.27x = 7,060,925,346.94
  5. Step 5: Solve for x
    x = 7,060,925,346.94/115,609.27
  6. Step 6: Final answer
    x = 61,075.77

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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.