Home / 49,178.40-73,749.60-15,907.20

Finding the Fourth Proportional to 49,178.40, 73,749.60 and 15,907.20

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Solution

The fourth proportional to 49,178.40, 73,749.60 and 15,907.20 is: 23,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,178.40 : 73,749.60 = 15,907.20 : x
  2. Step 2: Convert to fraction form
    49,178.40/73,749.60 = 15,907.20/x
  3. Step 3: Cross multiply
    49,178.40x = 73,749.60 × 15,907.20
  4. Step 4: Simplify right side
    49,178.40x = 1,173,149,637.12
  5. Step 5: Solve for x
    x = 1,173,149,637.12/49,178.40
  6. Step 6: Final answer
    x = 23,854.98

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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.