Home / 86,495.87-129,749.28-36,566.66

Finding the Fourth Proportional to 86,495.87, 129,749.28 and 36,566.66

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Solution

The fourth proportional to 86,495.87, 129,749.28 and 36,566.66 is: 54,852.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,495.87 : 129,749.28 = 36,566.66 : x
  2. Step 2: Convert to fraction form
    86,495.87/129,749.28 = 36,566.66/x
  3. Step 3: Cross multiply
    86,495.87x = 129,749.28 × 36,566.66
  4. Step 4: Simplify right side
    86,495.87x = 4,744,498,131.38
  5. Step 5: Solve for x
    x = 4,744,498,131.38/86,495.87
  6. Step 6: Final answer
    x = 54,852.31

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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.