Home / 86,582.40-129,810.24-27,384.96

Finding the Fourth Proportional to 86,582.40, 129,810.24 and 27,384.96

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Solution

The fourth proportional to 86,582.40, 129,810.24 and 27,384.96 is: 41,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,582.40 : 129,810.24 = 27,384.96 : x
  2. Step 2: Convert to fraction form
    86,582.40/129,810.24 = 27,384.96/x
  3. Step 3: Cross multiply
    86,582.40x = 129,810.24 × 27,384.96
  4. Step 4: Simplify right side
    86,582.40x = 3,554,848,229.99
  5. Step 5: Solve for x
    x = 3,554,848,229.99/86,582.40
  6. Step 6: Final answer
    x = 41,057.40

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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.