Home / 75,477.38-104,132.23-45,272.48

Finding the Fourth Proportional to 75,477.38, 104,132.23 and 45,272.48

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Solution

The fourth proportional to 75,477.38, 104,132.23 and 45,272.48 is: 62,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,477.38 : 104,132.23 = 45,272.48 : x
  2. Step 2: Convert to fraction form
    75,477.38/104,132.23 = 45,272.48/x
  3. Step 3: Cross multiply
    75,477.38x = 104,132.23 × 45,272.48
  4. Step 4: Simplify right side
    75,477.38x = 4,714,324,300.03
  5. Step 5: Solve for x
    x = 4,714,324,300.03/75,477.38
  6. Step 6: Final answer
    x = 62,460.09

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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.