Home / 47,310.96-70,886.10-28,551.58

Finding the Fourth Proportional to 47,310.96, 70,886.10 and 28,551.58

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Solution

The fourth proportional to 47,310.96, 70,886.10 and 28,551.58 is: 42,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.96 : 70,886.10 = 28,551.58 : x
  2. Step 2: Convert to fraction form
    47,310.96/70,886.10 = 28,551.58/x
  3. Step 3: Cross multiply
    47,310.96x = 70,886.10 × 28,551.58
  4. Step 4: Simplify right side
    47,310.96x = 2,023,909,800.61
  5. Step 5: Solve for x
    x = 2,023,909,800.61/47,310.96
  6. Step 6: Final answer
    x = 42,778.88

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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.