Home / 75,399.20-113,095.20-25,474.40

Finding the Fourth Proportional to 75,399.20, 113,095.20 and 25,474.40

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Solution

The fourth proportional to 75,399.20, 113,095.20 and 25,474.40 is: 38,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,399.20 : 113,095.20 = 25,474.40 : x
  2. Step 2: Convert to fraction form
    75,399.20/113,095.20 = 25,474.40/x
  3. Step 3: Cross multiply
    75,399.20x = 113,095.20 × 25,474.40
  4. Step 4: Simplify right side
    75,399.20x = 2,881,032,362.88
  5. Step 5: Solve for x
    x = 2,881,032,362.88/75,399.20
  6. Step 6: Final answer
    x = 38,210.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.