Home / 75,459.02-104,127.24-43,629.80

Finding the Fourth Proportional to 75,459.02, 104,127.24 and 43,629.80

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Solution

The fourth proportional to 75,459.02, 104,127.24 and 43,629.80 is: 60,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.02 : 104,127.24 = 43,629.80 : x
  2. Step 2: Convert to fraction form
    75,459.02/104,127.24 = 43,629.80/x
  3. Step 3: Cross multiply
    75,459.02x = 104,127.24 × 43,629.80
  4. Step 4: Simplify right side
    75,459.02x = 4,543,050,655.75
  5. Step 5: Solve for x
    x = 4,543,050,655.75/75,459.02
  6. Step 6: Final answer
    x = 60,205.53

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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.