Home / 84,634.44-127,027.80-45,225.24

Finding the Fourth Proportional to 84,634.44, 127,027.80 and 45,225.24

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Solution

The fourth proportional to 84,634.44, 127,027.80 and 45,225.24 is: 67,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,634.44 : 127,027.80 = 45,225.24 : x
  2. Step 2: Convert to fraction form
    84,634.44/127,027.80 = 45,225.24/x
  3. Step 3: Cross multiply
    84,634.44x = 127,027.80 × 45,225.24
  4. Step 4: Simplify right side
    84,634.44x = 5,744,862,741.67
  5. Step 5: Solve for x
    x = 5,744,862,741.67/84,634.44
  6. Step 6: Final answer
    x = 67,878.55

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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.