Home / 53,780.45-80,580.96-37,959.53

Finding the Fourth Proportional to 53,780.45, 80,580.96 and 37,959.53

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Solution

The fourth proportional to 53,780.45, 80,580.96 and 37,959.53 is: 56,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,780.45 : 80,580.96 = 37,959.53 : x
  2. Step 2: Convert to fraction form
    53,780.45/80,580.96 = 37,959.53/x
  3. Step 3: Cross multiply
    53,780.45x = 80,580.96 × 37,959.53
  4. Step 4: Simplify right side
    53,780.45x = 3,058,814,965.64
  5. Step 5: Solve for x
    x = 3,058,814,965.64/53,780.45
  6. Step 6: Final answer
    x = 56,875.97

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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.