Home / 47,043.20-70,564.80-36,662.72

Finding the Fourth Proportional to 47,043.20, 70,564.80 and 36,662.72

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Solution

The fourth proportional to 47,043.20, 70,564.80 and 36,662.72 is: 54,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,043.20 : 70,564.80 = 36,662.72 : x
  2. Step 2: Convert to fraction form
    47,043.20/70,564.80 = 36,662.72/x
  3. Step 3: Cross multiply
    47,043.20x = 70,564.80 × 36,662.72
  4. Step 4: Simplify right side
    47,043.20x = 2,587,097,504.26
  5. Step 5: Solve for x
    x = 2,587,097,504.26/47,043.20
  6. Step 6: Final answer
    x = 54,994.08

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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.