Home / 48,935.20-73,316.40-43,405.60

Finding the Fourth Proportional to 48,935.20, 73,316.40 and 43,405.60

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Solution

The fourth proportional to 48,935.20, 73,316.40 and 43,405.60 is: 65,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,935.20 : 73,316.40 = 43,405.60 : x
  2. Step 2: Convert to fraction form
    48,935.20/73,316.40 = 43,405.60/x
  3. Step 3: Cross multiply
    48,935.20x = 73,316.40 × 43,405.60
  4. Step 4: Simplify right side
    48,935.20x = 3,182,342,331.84
  5. Step 5: Solve for x
    x = 3,182,342,331.84/48,935.20
  6. Step 6: Final answer
    x = 65,031.76

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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.