Home / 90,556.48-124,965.60-50,268.16

Finding the Fourth Proportional to 90,556.48, 124,965.60 and 50,268.16

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Solution

The fourth proportional to 90,556.48, 124,965.60 and 50,268.16 is: 69,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,556.48 : 124,965.60 = 50,268.16 : x
  2. Step 2: Convert to fraction form
    90,556.48/124,965.60 = 50,268.16/x
  3. Step 3: Cross multiply
    90,556.48x = 124,965.60 × 50,268.16
  4. Step 4: Simplify right side
    90,556.48x = 6,281,790,775.30
  5. Step 5: Solve for x
    x = 6,281,790,775.30/90,556.48
  6. Step 6: Final answer
    x = 69,368.76

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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.