Home / 47,108.20-70,265.45-43,842.28

Finding the Fourth Proportional to 47,108.20, 70,265.45 and 43,842.28

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Solution

The fourth proportional to 47,108.20, 70,265.45 and 43,842.28 is: 65,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,108.20 : 70,265.45 = 43,842.28 : x
  2. Step 2: Convert to fraction form
    47,108.20/70,265.45 = 43,842.28/x
  3. Step 3: Cross multiply
    47,108.20x = 70,265.45 × 43,842.28
  4. Step 4: Simplify right side
    47,108.20x = 3,080,597,533.23
  5. Step 5: Solve for x
    x = 3,080,597,533.23/47,108.20
  6. Step 6: Final answer
    x = 65,394.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.