Home / 50,848.76-70,171.38-28,188.10

Finding the Fourth Proportional to 50,848.76, 70,171.38 and 28,188.10

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Solution

The fourth proportional to 50,848.76, 70,171.38 and 28,188.10 is: 38,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,848.76 : 70,171.38 = 28,188.10 : x
  2. Step 2: Convert to fraction form
    50,848.76/70,171.38 = 28,188.10/x
  3. Step 3: Cross multiply
    50,848.76x = 70,171.38 × 28,188.10
  4. Step 4: Simplify right side
    50,848.76x = 1,977,997,876.58
  5. Step 5: Solve for x
    x = 1,977,997,876.58/50,848.76
  6. Step 6: Final answer
    x = 38,899.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.