Home / 90,630.09-125,073.27-50,344.16

Finding the Fourth Proportional to 90,630.09, 125,073.27 and 50,344.16

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Solution

The fourth proportional to 90,630.09, 125,073.27 and 50,344.16 is: 69,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,630.09 : 125,073.27 = 50,344.16 : x
  2. Step 2: Convert to fraction form
    90,630.09/125,073.27 = 50,344.16/x
  3. Step 3: Cross multiply
    90,630.09x = 125,073.27 × 50,344.16
  4. Step 4: Simplify right side
    90,630.09x = 6,296,708,091.24
  5. Step 5: Solve for x
    x = 6,296,708,091.24/90,630.09
  6. Step 6: Final answer
    x = 69,477.01

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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.