Home / 47,623.84-65,772.24-37,138.72

Finding the Fourth Proportional to 47,623.84, 65,772.24 and 37,138.72

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Solution

The fourth proportional to 47,623.84, 65,772.24 and 37,138.72 is: 51,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.84 : 65,772.24 = 37,138.72 : x
  2. Step 2: Convert to fraction form
    47,623.84/65,772.24 = 37,138.72/x
  3. Step 3: Cross multiply
    47,623.84x = 65,772.24 × 37,138.72
  4. Step 4: Simplify right side
    47,623.84x = 2,442,696,805.13
  5. Step 5: Solve for x
    x = 2,442,696,805.13/47,623.84
  6. Step 6: Final answer
    x = 51,291.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.