Home / 124,607.20-186,969.16-54,477.44

Finding the Fourth Proportional to 124,607.20, 186,969.16 and 54,477.44

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Solution

The fourth proportional to 124,607.20, 186,969.16 and 54,477.44 is: 81,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,607.20 : 186,969.16 = 54,477.44 : x
  2. Step 2: Convert to fraction form
    124,607.20/186,969.16 = 54,477.44/x
  3. Step 3: Cross multiply
    124,607.20x = 186,969.16 × 54,477.44
  4. Step 4: Simplify right side
    124,607.20x = 10,185,601,195.75
  5. Step 5: Solve for x
    x = 10,185,601,195.75/124,607.20
  6. Step 6: Final answer
    x = 81,741.67

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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.