Home / 50,840.24-70,159.62-28,179.60

Finding the Fourth Proportional to 50,840.24, 70,159.62 and 28,179.60

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Solution

The fourth proportional to 50,840.24, 70,159.62 and 28,179.60 is: 38,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,840.24 : 70,159.62 = 28,179.60 : x
  2. Step 2: Convert to fraction form
    50,840.24/70,159.62 = 28,179.60/x
  3. Step 3: Cross multiply
    50,840.24x = 70,159.62 × 28,179.60
  4. Step 4: Simplify right side
    50,840.24x = 1,977,070,027.75
  5. Step 5: Solve for x
    x = 1,977,070,027.75/50,840.24
  6. Step 6: Final answer
    x = 38,887.90

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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.