Home / 117,012.96-161,426.61-68,590.35

Finding the Fourth Proportional to 117,012.96, 161,426.61 and 68,590.35

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Solution

The fourth proportional to 117,012.96, 161,426.61 and 68,590.35 is: 94,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,012.96 : 161,426.61 = 68,590.35 : x
  2. Step 2: Convert to fraction form
    117,012.96/161,426.61 = 68,590.35/x
  3. Step 3: Cross multiply
    117,012.96x = 161,426.61 × 68,590.35
  4. Step 4: Simplify right side
    117,012.96x = 11,072,307,679.21
  5. Step 5: Solve for x
    x = 11,072,307,679.21/117,012.96
  6. Step 6: Final answer
    x = 94,624.63

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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.