Home / 77,730.16-116,521.24-49,571.16

Finding the Fourth Proportional to 77,730.16, 116,521.24 and 49,571.16

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Solution

The fourth proportional to 77,730.16, 116,521.24 and 49,571.16 is: 74,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,730.16 : 116,521.24 = 49,571.16 : x
  2. Step 2: Convert to fraction form
    77,730.16/116,521.24 = 49,571.16/x
  3. Step 3: Cross multiply
    77,730.16x = 116,521.24 × 49,571.16
  4. Step 4: Simplify right side
    77,730.16x = 5,776,093,031.44
  5. Step 5: Solve for x
    x = 5,776,093,031.44/77,730.16
  6. Step 6: Final answer
    x = 74,309.55

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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.