Home / 90,667.36-125,121-52,934.32

Finding the Fourth Proportional to 90,667.36, 125,121 and 52,934.32

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Solution

The fourth proportional to 90,667.36, 125,121 and 52,934.32 is: 73,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,667.36 : 125,121 = 52,934.32 : x
  2. Step 2: Convert to fraction form
    90,667.36/125,121 = 52,934.32/x
  3. Step 3: Cross multiply
    90,667.36x = 125,121 × 52,934.32
  4. Step 4: Simplify right side
    90,667.36x = 6,623,195,052.72
  5. Step 5: Solve for x
    x = 6,623,195,052.72/90,667.36
  6. Step 6: Final answer
    x = 73,049.39

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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.