Home / 75,120.02-103,662.69-41,585.30

Finding the Fourth Proportional to 75,120.02, 103,662.69 and 41,585.30

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Solution

The fourth proportional to 75,120.02, 103,662.69 and 41,585.30 is: 57,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,120.02 : 103,662.69 = 41,585.30 : x
  2. Step 2: Convert to fraction form
    75,120.02/103,662.69 = 41,585.30/x
  3. Step 3: Cross multiply
    75,120.02x = 103,662.69 × 41,585.30
  4. Step 4: Simplify right side
    75,120.02x = 4,310,844,062.46
  5. Step 5: Solve for x
    x = 4,310,844,062.46/75,120.02
  6. Step 6: Final answer
    x = 57,386.09

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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.