Home / 53,543.03-73,739.89-52,380.50

Finding the Fourth Proportional to 53,543.03, 73,739.89 and 52,380.50

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Solution

The fourth proportional to 53,543.03, 73,739.89 and 52,380.50 is: 72,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,543.03 : 73,739.89 = 52,380.50 : x
  2. Step 2: Convert to fraction form
    53,543.03/73,739.89 = 52,380.50/x
  3. Step 3: Cross multiply
    53,543.03x = 73,739.89 × 52,380.50
  4. Step 4: Simplify right side
    53,543.03x = 3,862,532,359.63
  5. Step 5: Solve for x
    x = 3,862,532,359.63/53,543.03
  6. Step 6: Final answer
    x = 72,138.85

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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.