Home / 75,140.14-103,695.01-41,150.06

Finding the Fourth Proportional to 75,140.14, 103,695.01 and 41,150.06

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Solution

The fourth proportional to 75,140.14, 103,695.01 and 41,150.06 is: 56,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,140.14 : 103,695.01 = 41,150.06 : x
  2. Step 2: Convert to fraction form
    75,140.14/103,695.01 = 41,150.06/x
  3. Step 3: Cross multiply
    75,140.14x = 103,695.01 × 41,150.06
  4. Step 4: Simplify right side
    75,140.14x = 4,267,055,883.20
  5. Step 5: Solve for x
    x = 4,267,055,883.20/75,140.14
  6. Step 6: Final answer
    x = 56,787.97

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1.5x scale

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.