Home / 77,141.88-115,704.18-52,341.24

Finding the Fourth Proportional to 77,141.88, 115,704.18 and 52,341.24

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Solution

The fourth proportional to 77,141.88, 115,704.18 and 52,341.24 is: 78,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,141.88 : 115,704.18 = 52,341.24 : x
  2. Step 2: Convert to fraction form
    77,141.88/115,704.18 = 52,341.24/x
  3. Step 3: Cross multiply
    77,141.88x = 115,704.18 × 52,341.24
  4. Step 4: Simplify right side
    77,141.88x = 6,056,100,254.38
  5. Step 5: Solve for x
    x = 6,056,100,254.38/77,141.88
  6. Step 6: Final answer
    x = 78,506.00

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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.