Home / 63,076.64-87,045.12-34,782.56

Finding the Fourth Proportional to 63,076.64, 87,045.12 and 34,782.56

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Solution

The fourth proportional to 63,076.64, 87,045.12 and 34,782.56 is: 47,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,076.64 : 87,045.12 = 34,782.56 : x
  2. Step 2: Convert to fraction form
    63,076.64/87,045.12 = 34,782.56/x
  3. Step 3: Cross multiply
    63,076.64x = 87,045.12 × 34,782.56
  4. Step 4: Simplify right side
    63,076.64x = 3,027,652,109.11
  5. Step 5: Solve for x
    x = 3,027,652,109.11/63,076.64
  6. Step 6: Final answer
    x = 47,999.58

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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.