Home / 94,128.43-129,898.35-51,108.44

Finding the Fourth Proportional to 94,128.43, 129,898.35 and 51,108.44

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Solution

The fourth proportional to 94,128.43, 129,898.35 and 51,108.44 is: 70,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,128.43 : 129,898.35 = 51,108.44 : x
  2. Step 2: Convert to fraction form
    94,128.43/129,898.35 = 51,108.44/x
  3. Step 3: Cross multiply
    94,128.43x = 129,898.35 × 51,108.44
  4. Step 4: Simplify right side
    94,128.43x = 6,638,902,027.07
  5. Step 5: Solve for x
    x = 6,638,902,027.07/94,128.43
  6. Step 6: Final answer
    x = 70,530.25

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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.