Home / 90,346.56-135,602.52-46,003.92

Finding the Fourth Proportional to 90,346.56, 135,602.52 and 46,003.92

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Solution

The fourth proportional to 90,346.56, 135,602.52 and 46,003.92 is: 69,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,346.56 : 135,602.52 = 46,003.92 : x
  2. Step 2: Convert to fraction form
    90,346.56/135,602.52 = 46,003.92/x
  3. Step 3: Cross multiply
    90,346.56x = 135,602.52 × 46,003.92
  4. Step 4: Simplify right side
    90,346.56x = 6,238,247,481.88
  5. Step 5: Solve for x
    x = 6,238,247,481.88/90,346.56
  6. Step 6: Final answer
    x = 69,047.98

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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.