Home / 108,093.48-162,098.64-74,712.36

Finding the Fourth Proportional to 108,093.48, 162,098.64 and 74,712.36

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Solution

The fourth proportional to 108,093.48, 162,098.64 and 74,712.36 is: 112,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,093.48 : 162,098.64 = 74,712.36 : x
  2. Step 2: Convert to fraction form
    108,093.48/162,098.64 = 74,712.36/x
  3. Step 3: Cross multiply
    108,093.48x = 162,098.64 × 74,712.36
  4. Step 4: Simplify right side
    108,093.48x = 12,110,771,947.19
  5. Step 5: Solve for x
    x = 12,110,771,947.19/108,093.48
  6. Step 6: Final answer
    x = 112,039.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.