Home / 108,684.41-149,956.11-62,732.81

Finding the Fourth Proportional to 108,684.41, 149,956.11 and 62,732.81

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Solution

The fourth proportional to 108,684.41, 149,956.11 and 62,732.81 is: 86,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,684.41 : 149,956.11 = 62,732.81 : x
  2. Step 2: Convert to fraction form
    108,684.41/149,956.11 = 62,732.81/x
  3. Step 3: Cross multiply
    108,684.41x = 149,956.11 × 62,732.81
  4. Step 4: Simplify right side
    108,684.41x = 9,407,168,531.86
  5. Step 5: Solve for x
    x = 9,407,168,531.86/108,684.41
  6. Step 6: Final answer
    x = 86,554.91

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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.