Home / 117,312.94-161,890.89-63,596.57

Finding the Fourth Proportional to 117,312.94, 161,890.89 and 63,596.57

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Solution

The fourth proportional to 117,312.94, 161,890.89 and 63,596.57 is: 87,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,312.94 : 161,890.89 = 63,596.57 : x
  2. Step 2: Convert to fraction form
    117,312.94/161,890.89 = 63,596.57/x
  3. Step 3: Cross multiply
    117,312.94x = 161,890.89 × 63,596.57
  4. Step 4: Simplify right side
    117,312.94x = 10,295,705,722.97
  5. Step 5: Solve for x
    x = 10,295,705,722.97/117,312.94
  6. Step 6: Final answer
    x = 87,762.75

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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.