Home / 77,095.65-115,652.75-27,165.43

Finding the Fourth Proportional to 77,095.65, 115,652.75 and 27,165.43

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Solution

The fourth proportional to 77,095.65, 115,652.75 and 27,165.43 is: 40,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,095.65 : 115,652.75 = 27,165.43 : x
  2. Step 2: Convert to fraction form
    77,095.65/115,652.75 = 27,165.43/x
  3. Step 3: Cross multiply
    77,095.65x = 115,652.75 × 27,165.43
  4. Step 4: Simplify right side
    77,095.65x = 3,141,756,693.17
  5. Step 5: Solve for x
    x = 3,141,756,693.17/77,095.65
  6. Step 6: Final answer
    x = 40,751.41

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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.