Home / 115,465.28-173,216.04-48,905.78

Finding the Fourth Proportional to 115,465.28, 173,216.04 and 48,905.78

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Solution

The fourth proportional to 115,465.28, 173,216.04 and 48,905.78 is: 73,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,465.28 : 173,216.04 = 48,905.78 : x
  2. Step 2: Convert to fraction form
    115,465.28/173,216.04 = 48,905.78/x
  3. Step 3: Cross multiply
    115,465.28x = 173,216.04 × 48,905.78
  4. Step 4: Simplify right side
    115,465.28x = 8,471,265,544.71
  5. Step 5: Solve for x
    x = 8,471,265,544.71/115,465.28
  6. Step 6: Final answer
    x = 73,366.34

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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.