Home / 86,895.65-130,345.74-27,731.24

Finding the Fourth Proportional to 86,895.65, 130,345.74 and 27,731.24

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Solution

The fourth proportional to 86,895.65, 130,345.74 and 27,731.24 is: 41,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,895.65 : 130,345.74 = 27,731.24 : x
  2. Step 2: Convert to fraction form
    86,895.65/130,345.74 = 27,731.24/x
  3. Step 3: Cross multiply
    86,895.65x = 130,345.74 × 27,731.24
  4. Step 4: Simplify right side
    86,895.65x = 3,614,648,998.92
  5. Step 5: Solve for x
    x = 3,614,648,998.92/86,895.65
  6. Step 6: Final answer
    x = 41,597.58

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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.