Home / 47,669.72-71,505.07-14,390.06

Finding the Fourth Proportional to 47,669.72, 71,505.07 and 14,390.06

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Solution

The fourth proportional to 47,669.72, 71,505.07 and 14,390.06 is: 21,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,669.72 : 71,505.07 = 14,390.06 : x
  2. Step 2: Convert to fraction form
    47,669.72/71,505.07 = 14,390.06/x
  3. Step 3: Cross multiply
    47,669.72x = 71,505.07 × 14,390.06
  4. Step 4: Simplify right side
    47,669.72x = 1,028,961,854.10
  5. Step 5: Solve for x
    x = 1,028,961,854.10/47,669.72
  6. Step 6: Final answer
    x = 21,585.23

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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.