Home / 49,090.40-73,635.60-45,785.60

Finding the Fourth Proportional to 49,090.40, 73,635.60 and 45,785.60

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Solution

The fourth proportional to 49,090.40, 73,635.60 and 45,785.60 is: 68,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,090.40 : 73,635.60 = 45,785.60 : x
  2. Step 2: Convert to fraction form
    49,090.40/73,635.60 = 45,785.60/x
  3. Step 3: Cross multiply
    49,090.40x = 73,635.60 × 45,785.60
  4. Step 4: Simplify right side
    49,090.40x = 3,371,450,127.36
  5. Step 5: Solve for x
    x = 3,371,450,127.36/49,090.40
  6. Step 6: Final answer
    x = 68,678.40

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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.