Home / 117,742.86-162,489.41-67,451.58

Finding the Fourth Proportional to 117,742.86, 162,489.41 and 67,451.58

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Solution

The fourth proportional to 117,742.86, 162,489.41 and 67,451.58 is: 93,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,742.86 : 162,489.41 = 67,451.58 : x
  2. Step 2: Convert to fraction form
    117,742.86/162,489.41 = 67,451.58/x
  3. Step 3: Cross multiply
    117,742.86x = 162,489.41 × 67,451.58
  4. Step 4: Simplify right side
    117,742.86x = 10,960,167,606.40
  5. Step 5: Solve for x
    x = 10,960,167,606.40/117,742.86
  6. Step 6: Final answer
    x = 93,085.62

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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.