Home / 75,925.36-104,720.37-67,321.64

Finding the Fourth Proportional to 75,925.36, 104,720.37 and 67,321.64

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Solution

The fourth proportional to 75,925.36, 104,720.37 and 67,321.64 is: 92,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,925.36 : 104,720.37 = 67,321.64 : x
  2. Step 2: Convert to fraction form
    75,925.36/104,720.37 = 67,321.64/x
  3. Step 3: Cross multiply
    75,925.36x = 104,720.37 × 67,321.64
  4. Step 4: Simplify right side
    75,925.36x = 7,049,947,049.81
  5. Step 5: Solve for x
    x = 7,049,947,049.81/75,925.36
  6. Step 6: Final answer
    x = 92,853.65

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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.