Home / 119,376.43-164,762.87-68,423.31

Finding the Fourth Proportional to 119,376.43, 164,762.87 and 68,423.31

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Solution

The fourth proportional to 119,376.43, 164,762.87 and 68,423.31 is: 94,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,376.43 : 164,762.87 = 68,423.31 : x
  2. Step 2: Convert to fraction form
    119,376.43/164,762.87 = 68,423.31/x
  3. Step 3: Cross multiply
    119,376.43x = 164,762.87 × 68,423.31
  4. Step 4: Simplify right side
    119,376.43x = 11,273,620,588.38
  5. Step 5: Solve for x
    x = 11,273,620,588.38/119,376.43
  6. Step 6: Final answer
    x = 94,437.58

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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.