Home / 116,042.28-174,026.78-71,602.60

Finding the Fourth Proportional to 116,042.28, 174,026.78 and 71,602.60

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Solution

The fourth proportional to 116,042.28, 174,026.78 and 71,602.60 is: 107,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,042.28 : 174,026.78 = 71,602.60 : x
  2. Step 2: Convert to fraction form
    116,042.28/174,026.78 = 71,602.60/x
  3. Step 3: Cross multiply
    116,042.28x = 174,026.78 × 71,602.60
  4. Step 4: Simplify right side
    116,042.28x = 12,460,769,917.63
  5. Step 5: Solve for x
    x = 12,460,769,917.63/116,042.28
  6. Step 6: Final answer
    x = 107,381.29

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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.