Home / 51,046.35-70,444.02-28,385.09

Finding the Fourth Proportional to 51,046.35, 70,444.02 and 28,385.09

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Solution

The fourth proportional to 51,046.35, 70,444.02 and 28,385.09 is: 39,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,046.35 : 70,444.02 = 28,385.09 : x
  2. Step 2: Convert to fraction form
    51,046.35/70,444.02 = 28,385.09/x
  3. Step 3: Cross multiply
    51,046.35x = 70,444.02 × 28,385.09
  4. Step 4: Simplify right side
    51,046.35x = 1,999,559,847.66
  5. Step 5: Solve for x
    x = 1,999,559,847.66/51,046.35
  6. Step 6: Final answer
    x = 39,171.46

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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.