Home / 90,090.39-124,324.71-50,346.39

Finding the Fourth Proportional to 90,090.39, 124,324.71 and 50,346.39

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Solution

The fourth proportional to 90,090.39, 124,324.71 and 50,346.39 is: 69,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,090.39 : 124,324.71 = 50,346.39 : x
  2. Step 2: Convert to fraction form
    90,090.39/124,324.71 = 50,346.39/x
  3. Step 3: Cross multiply
    90,090.39x = 124,324.71 × 50,346.39
  4. Step 4: Simplify right side
    90,090.39x = 6,259,300,336.30
  5. Step 5: Solve for x
    x = 6,259,300,336.30/90,090.39
  6. Step 6: Final answer
    x = 69,478.00

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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.