Home / 75,080.89-103,634.69-43,270.98

Finding the Fourth Proportional to 75,080.89, 103,634.69 and 43,270.98

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Solution

The fourth proportional to 75,080.89, 103,634.69 and 43,270.98 is: 59,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,080.89 : 103,634.69 = 43,270.98 : x
  2. Step 2: Convert to fraction form
    75,080.89/103,634.69 = 43,270.98/x
  3. Step 3: Cross multiply
    75,080.89x = 103,634.69 × 43,270.98
  4. Step 4: Simplify right side
    75,080.89x = 4,484,374,598.30
  5. Step 5: Solve for x
    x = 4,484,374,598.30/75,080.89
  6. Step 6: Final answer
    x = 59,727.24

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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.