Home / 47,938.44-66,124.17-31,805.40

Finding the Fourth Proportional to 47,938.44, 66,124.17 and 31,805.40

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Solution

The fourth proportional to 47,938.44, 66,124.17 and 31,805.40 is: 43,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,938.44 : 66,124.17 = 31,805.40 : x
  2. Step 2: Convert to fraction form
    47,938.44/66,124.17 = 31,805.40/x
  3. Step 3: Cross multiply
    47,938.44x = 66,124.17 × 31,805.40
  4. Step 4: Simplify right side
    47,938.44x = 2,103,105,676.52
  5. Step 5: Solve for x
    x = 2,103,105,676.52/47,938.44
  6. Step 6: Final answer
    x = 43,870.97

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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.