Home / 90,625.47-125,059.10-50,342.01

Finding the Fourth Proportional to 90,625.47, 125,059.10 and 50,342.01

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Solution

The fourth proportional to 90,625.47, 125,059.10 and 50,342.01 is: 69,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,625.47 : 125,059.10 = 50,342.01 : x
  2. Step 2: Convert to fraction form
    90,625.47/125,059.10 = 50,342.01/x
  3. Step 3: Cross multiply
    90,625.47x = 125,059.10 × 50,342.01
  4. Step 4: Simplify right side
    90,625.47x = 6,295,726,211.08
  5. Step 5: Solve for x
    x = 6,295,726,211.08/90,625.47
  6. Step 6: Final answer
    x = 69,469.72

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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.