Home / 86,570.46-129,866.67-27,384.75

Finding the Fourth Proportional to 86,570.46, 129,866.67 and 27,384.75

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Solution

The fourth proportional to 86,570.46, 129,866.67 and 27,384.75 is: 41,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,570.46 : 129,866.67 = 27,384.75 : x
  2. Step 2: Convert to fraction form
    86,570.46/129,866.67 = 27,384.75/x
  3. Step 3: Cross multiply
    86,570.46x = 129,866.67 × 27,384.75
  4. Step 4: Simplify right side
    86,570.46x = 3,556,366,291.28
  5. Step 5: Solve for x
    x = 3,556,366,291.28/86,570.46
  6. Step 6: Final answer
    x = 41,080.60

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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.