Home / 113,504.47-156,633.88-71,086.39

Finding the Fourth Proportional to 113,504.47, 156,633.88 and 71,086.39

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Solution

The fourth proportional to 113,504.47, 156,633.88 and 71,086.39 is: 98,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,504.47 : 156,633.88 = 71,086.39 : x
  2. Step 2: Convert to fraction form
    113,504.47/156,633.88 = 71,086.39/x
  3. Step 3: Cross multiply
    113,504.47x = 156,633.88 × 71,086.39
  4. Step 4: Simplify right side
    113,504.47x = 11,134,537,080.89
  5. Step 5: Solve for x
    x = 11,134,537,080.89/113,504.47
  6. Step 6: Final answer
    x = 98,097.78

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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.