Home / 77,312.21-115,975.40-24,004.49

Finding the Fourth Proportional to 77,312.21, 115,975.40 and 24,004.49

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Solution

The fourth proportional to 77,312.21, 115,975.40 and 24,004.49 is: 36,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,312.21 : 115,975.40 = 24,004.49 : x
  2. Step 2: Convert to fraction form
    77,312.21/115,975.40 = 24,004.49/x
  3. Step 3: Cross multiply
    77,312.21x = 115,975.40 × 24,004.49
  4. Step 4: Simplify right side
    77,312.21x = 2,783,929,629.65
  5. Step 5: Solve for x
    x = 2,783,929,629.65/77,312.21
  6. Step 6: Final answer
    x = 36,008.93

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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.