Home / 47,458.56-71,186.88-14,178.72

Finding the Fourth Proportional to 47,458.56, 71,186.88 and 14,178.72

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Solution

The fourth proportional to 47,458.56, 71,186.88 and 14,178.72 is: 21,267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,458.56 : 71,186.88 = 14,178.72 : x
  2. Step 2: Convert to fraction form
    47,458.56/71,186.88 = 14,178.72/x
  3. Step 3: Cross multiply
    47,458.56x = 71,186.88 × 14,178.72
  4. Step 4: Simplify right side
    47,458.56x = 1,009,338,839.19
  5. Step 5: Solve for x
    x = 1,009,338,839.19/47,458.56
  6. Step 6: Final answer
    x = 21,267.79

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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.