Home / 75,483.89-104,173.20-45,268.65

Finding the Fourth Proportional to 75,483.89, 104,173.20 and 45,268.65

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Solution

The fourth proportional to 75,483.89, 104,173.20 and 45,268.65 is: 62,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,483.89 : 104,173.20 = 45,268.65 : x
  2. Step 2: Convert to fraction form
    75,483.89/104,173.20 = 45,268.65/x
  3. Step 3: Cross multiply
    75,483.89x = 104,173.20 × 45,268.65
  4. Step 4: Simplify right side
    75,483.89x = 4,715,780,130.18
  5. Step 5: Solve for x
    x = 4,715,780,130.18/75,483.89
  6. Step 6: Final answer
    x = 62,474.00

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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.