Home / 92,542.80-127,708.92-50,101.32

Finding the Fourth Proportional to 92,542.80, 127,708.92 and 50,101.32

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Solution

The fourth proportional to 92,542.80, 127,708.92 and 50,101.32 is: 69,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,542.80 : 127,708.92 = 50,101.32 : x
  2. Step 2: Convert to fraction form
    92,542.80/127,708.92 = 50,101.32/x
  3. Step 3: Cross multiply
    92,542.80x = 127,708.92 × 50,101.32
  4. Step 4: Simplify right side
    92,542.80x = 6,398,385,467.77
  5. Step 5: Solve for x
    x = 6,398,385,467.77/92,542.80
  6. Step 6: Final answer
    x = 69,139.74

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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.