Home / 46,749.78-70,137.20-13,472.75

Finding the Fourth Proportional to 46,749.78, 70,137.20 and 13,472.75

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Solution

The fourth proportional to 46,749.78, 70,137.20 and 13,472.75 is: 20,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,749.78 : 70,137.20 = 13,472.75 : x
  2. Step 2: Convert to fraction form
    46,749.78/70,137.20 = 13,472.75/x
  3. Step 3: Cross multiply
    46,749.78x = 70,137.20 × 13,472.75
  4. Step 4: Simplify right side
    46,749.78x = 944,941,119.80
  5. Step 5: Solve for x
    x = 944,941,119.80/46,749.78
  6. Step 6: Final answer
    x = 20,212.74

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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.