Home / 76,445.72-114,580.56-29,659.04

Finding the Fourth Proportional to 76,445.72, 114,580.56 and 29,659.04

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Solution

The fourth proportional to 76,445.72, 114,580.56 and 29,659.04 is: 44,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,445.72 : 114,580.56 = 29,659.04 : x
  2. Step 2: Convert to fraction form
    76,445.72/114,580.56 = 29,659.04/x
  3. Step 3: Cross multiply
    76,445.72x = 114,580.56 × 29,659.04
  4. Step 4: Simplify right side
    76,445.72x = 3,398,349,412.26
  5. Step 5: Solve for x
    x = 3,398,349,412.26/76,445.72
  6. Step 6: Final answer
    x = 44,454.41

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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.