Home / 75,459.07-104,127.41-43,630.02

Finding the Fourth Proportional to 75,459.07, 104,127.41 and 43,630.02

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Solution

The fourth proportional to 75,459.07, 104,127.41 and 43,630.02 is: 60,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.07 : 104,127.41 = 43,630.02 : x
  2. Step 2: Convert to fraction form
    75,459.07/104,127.41 = 43,630.02/x
  3. Step 3: Cross multiply
    75,459.07x = 104,127.41 × 43,630.02
  4. Step 4: Simplify right side
    75,459.07x = 4,543,081,089.92
  5. Step 5: Solve for x
    x = 4,543,081,089.92/75,459.07
  6. Step 6: Final answer
    x = 60,205.90

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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.