Home / 47,421.63-71,132.45-14,165.06

Finding the Fourth Proportional to 47,421.63, 71,132.45 and 14,165.06

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Solution

The fourth proportional to 47,421.63, 71,132.45 and 14,165.06 is: 21,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.63 : 71,132.45 = 14,165.06 : x
  2. Step 2: Convert to fraction form
    47,421.63/71,132.45 = 14,165.06/x
  3. Step 3: Cross multiply
    47,421.63x = 71,132.45 × 14,165.06
  4. Step 4: Simplify right side
    47,421.63x = 1,007,595,422.20
  5. Step 5: Solve for x
    x = 1,007,595,422.20/47,421.63
  6. Step 6: Final answer
    x = 21,247.59

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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.