Home / 51,062.40-76,442.40-37,972.80

Finding the Fourth Proportional to 51,062.40, 76,442.40 and 37,972.80

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Solution

The fourth proportional to 51,062.40, 76,442.40 and 37,972.80 is: 56,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,062.40 : 76,442.40 = 37,972.80 : x
  2. Step 2: Convert to fraction form
    51,062.40/76,442.40 = 37,972.80/x
  3. Step 3: Cross multiply
    51,062.40x = 76,442.40 × 37,972.80
  4. Step 4: Simplify right side
    51,062.40x = 2,902,731,966.72
  5. Step 5: Solve for x
    x = 2,902,731,966.72/51,062.40
  6. Step 6: Final answer
    x = 56,846.76

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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.