Home / 85,999.13-129,026.37-36,065.82

Finding the Fourth Proportional to 85,999.13, 129,026.37 and 36,065.82

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Solution

The fourth proportional to 85,999.13, 129,026.37 and 36,065.82 is: 54,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,999.13 : 129,026.37 = 36,065.82 : x
  2. Step 2: Convert to fraction form
    85,999.13/129,026.37 = 36,065.82/x
  3. Step 3: Cross multiply
    85,999.13x = 129,026.37 × 36,065.82
  4. Step 4: Simplify right side
    85,999.13x = 4,653,441,835.67
  5. Step 5: Solve for x
    x = 4,653,441,835.67/85,999.13
  6. Step 6: Final answer
    x = 54,110.34

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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.