Home / 47,437.60-71,145.92-13,696.29

Finding the Fourth Proportional to 47,437.60, 71,145.92 and 13,696.29

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Solution

The fourth proportional to 47,437.60, 71,145.92 and 13,696.29 is: 20,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,437.60 : 71,145.92 = 13,696.29 : x
  2. Step 2: Convert to fraction form
    47,437.60/71,145.92 = 13,696.29/x
  3. Step 3: Cross multiply
    47,437.60x = 71,145.92 × 13,696.29
  4. Step 4: Simplify right side
    47,437.60x = 974,434,906.29
  5. Step 5: Solve for x
    x = 974,434,906.29/47,437.60
  6. Step 6: Final answer
    x = 20,541.40

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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.