Home / 47,915.83-66,123.81-27,784.42

Finding the Fourth Proportional to 47,915.83, 66,123.81 and 27,784.42

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Solution

The fourth proportional to 47,915.83, 66,123.81 and 27,784.42 is: 38,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,915.83 : 66,123.81 = 27,784.42 : x
  2. Step 2: Convert to fraction form
    47,915.83/66,123.81 = 27,784.42/x
  3. Step 3: Cross multiply
    47,915.83x = 66,123.81 × 27,784.42
  4. Step 4: Simplify right side
    47,915.83x = 1,837,211,709.04
  5. Step 5: Solve for x
    x = 1,837,211,709.04/47,915.83
  6. Step 6: Final answer
    x = 38,342.48

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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.