Home / 121,562.54-182,285.46-57,467.32

Finding the Fourth Proportional to 121,562.54, 182,285.46 and 57,467.32

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Solution

The fourth proportional to 121,562.54, 182,285.46 and 57,467.32 is: 86,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,562.54 : 182,285.46 = 57,467.32 : x
  2. Step 2: Convert to fraction form
    121,562.54/182,285.46 = 57,467.32/x
  3. Step 3: Cross multiply
    121,562.54x = 182,285.46 × 57,467.32
  4. Step 4: Simplify right side
    121,562.54x = 10,475,456,861.17
  5. Step 5: Solve for x
    x = 10,475,456,861.17/121,562.54
  6. Step 6: Final answer
    x = 86,173.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.