Home / 86,486.36-129,634.76-33,837.98

Finding the Fourth Proportional to 86,486.36, 129,634.76 and 33,837.98

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Solution

The fourth proportional to 86,486.36, 129,634.76 and 33,837.98 is: 50,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,486.36 : 129,634.76 = 33,837.98 : x
  2. Step 2: Convert to fraction form
    86,486.36/129,634.76 = 33,837.98/x
  3. Step 3: Cross multiply
    86,486.36x = 129,634.76 × 33,837.98
  4. Step 4: Simplify right side
    86,486.36x = 4,386,577,852.61
  5. Step 5: Solve for x
    x = 4,386,577,852.61/86,486.36
  6. Step 6: Final answer
    x = 50,719.88

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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.