Home / 75,650.12-104,468.03-47,405.01

Finding the Fourth Proportional to 75,650.12, 104,468.03 and 47,405.01

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Solution

The fourth proportional to 75,650.12, 104,468.03 and 47,405.01 is: 65,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,650.12 : 104,468.03 = 47,405.01 : x
  2. Step 2: Convert to fraction form
    75,650.12/104,468.03 = 47,405.01/x
  3. Step 3: Cross multiply
    75,650.12x = 104,468.03 × 47,405.01
  4. Step 4: Simplify right side
    75,650.12x = 4,952,307,769.81
  5. Step 5: Solve for x
    x = 4,952,307,769.81/75,650.12
  6. Step 6: Final answer
    x = 65,463.32

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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.