Home / 90,796.24-125,301.36-50,511.28

Finding the Fourth Proportional to 90,796.24, 125,301.36 and 50,511.28

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Solution

The fourth proportional to 90,796.24, 125,301.36 and 50,511.28 is: 69,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,796.24 : 125,301.36 = 50,511.28 : x
  2. Step 2: Convert to fraction form
    90,796.24/125,301.36 = 50,511.28/x
  3. Step 3: Cross multiply
    90,796.24x = 125,301.36 × 50,511.28
  4. Step 4: Simplify right side
    90,796.24x = 6,329,132,079.34
  5. Step 5: Solve for x
    x = 6,329,132,079.34/90,796.24
  6. Step 6: Final answer
    x = 69,706.98

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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.