Home / 124,393.67-171,527.60-84,037.36

Finding the Fourth Proportional to 124,393.67, 171,527.60 and 84,037.36

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Solution

The fourth proportional to 124,393.67, 171,527.60 and 84,037.36 is: 115,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,393.67 : 171,527.60 = 84,037.36 : x
  2. Step 2: Convert to fraction form
    124,393.67/171,527.60 = 84,037.36/x
  3. Step 3: Cross multiply
    124,393.67x = 171,527.60 × 84,037.36
  4. Step 4: Simplify right side
    124,393.67x = 14,414,726,671.14
  5. Step 5: Solve for x
    x = 14,414,726,671.14/124,393.67
  6. Step 6: Final answer
    x = 115,879.91

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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.