Home / 127,672.13-176,199.84-71,083.50

Finding the Fourth Proportional to 127,672.13, 176,199.84 and 71,083.50

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Solution

The fourth proportional to 127,672.13, 176,199.84 and 71,083.50 is: 98,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,672.13 : 176,199.84 = 71,083.50 : x
  2. Step 2: Convert to fraction form
    127,672.13/176,199.84 = 71,083.50/x
  3. Step 3: Cross multiply
    127,672.13x = 176,199.84 × 71,083.50
  4. Step 4: Simplify right side
    127,672.13x = 12,524,901,326.64
  5. Step 5: Solve for x
    x = 12,524,901,326.64/127,672.13
  6. Step 6: Final answer
    x = 98,102.08

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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.