Home / 115,607.18-173,419.28-49,039.76

Finding the Fourth Proportional to 115,607.18, 173,419.28 and 49,039.76

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Solution

The fourth proportional to 115,607.18, 173,419.28 and 49,039.76 is: 73,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,607.18 : 173,419.28 = 49,039.76 : x
  2. Step 2: Convert to fraction form
    115,607.18/173,419.28 = 49,039.76/x
  3. Step 3: Cross multiply
    115,607.18x = 173,419.28 × 49,039.76
  4. Step 4: Simplify right side
    115,607.18x = 8,504,439,870.57
  5. Step 5: Solve for x
    x = 8,504,439,870.57/115,607.18
  6. Step 6: Final answer
    x = 73,563.25

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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.