Home / 86,156.41-129,234.69-26,996.69

Finding the Fourth Proportional to 86,156.41, 129,234.69 and 26,996.69

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Solution

The fourth proportional to 86,156.41, 129,234.69 and 26,996.69 is: 40,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,156.41 : 129,234.69 = 26,996.69 : x
  2. Step 2: Convert to fraction form
    86,156.41/129,234.69 = 26,996.69/x
  3. Step 3: Cross multiply
    86,156.41x = 129,234.69 × 26,996.69
  4. Step 4: Simplify right side
    86,156.41x = 3,488,909,186.26
  5. Step 5: Solve for x
    x = 3,488,909,186.26/86,156.41
  6. Step 6: Final answer
    x = 40,495.06

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1.5x scale

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.