Home / 90,952.16-136,513.56-55,960.16

Finding the Fourth Proportional to 90,952.16, 136,513.56 and 55,960.16

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Solution

The fourth proportional to 90,952.16, 136,513.56 and 55,960.16 is: 83,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,952.16 : 136,513.56 = 55,960.16 : x
  2. Step 2: Convert to fraction form
    90,952.16/136,513.56 = 55,960.16/x
  3. Step 3: Cross multiply
    90,952.16x = 136,513.56 × 55,960.16
  4. Step 4: Simplify right side
    90,952.16x = 7,639,320,659.77
  5. Step 5: Solve for x
    x = 7,639,320,659.77/90,952.16
  6. Step 6: Final answer
    x = 83,992.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.