Home / 122,509.46-169,057.83-71,525.03

Finding the Fourth Proportional to 122,509.46, 169,057.83 and 71,525.03

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Solution

The fourth proportional to 122,509.46, 169,057.83 and 71,525.03 is: 98,701.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,509.46 : 169,057.83 = 71,525.03 : x
  2. Step 2: Convert to fraction form
    122,509.46/169,057.83 = 71,525.03/x
  3. Step 3: Cross multiply
    122,509.46x = 169,057.83 × 71,525.03
  4. Step 4: Simplify right side
    122,509.46x = 12,091,865,785.41
  5. Step 5: Solve for x
    x = 12,091,865,785.41/122,509.46
  6. Step 6: Final answer
    x = 98,701.48

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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.