Home / 61,650.59-85,000.34-50,308.56

Finding the Fourth Proportional to 61,650.59, 85,000.34 and 50,308.56

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Solution

The fourth proportional to 61,650.59, 85,000.34 and 50,308.56 is: 69,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,650.59 : 85,000.34 = 50,308.56 : x
  2. Step 2: Convert to fraction form
    61,650.59/85,000.34 = 50,308.56/x
  3. Step 3: Cross multiply
    61,650.59x = 85,000.34 × 50,308.56
  4. Step 4: Simplify right side
    61,650.59x = 4,276,244,830.68
  5. Step 5: Solve for x
    x = 4,276,244,830.68/61,650.59
  6. Step 6: Final answer
    x = 69,362.60

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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.