Home / 108,972.54-150,376.50-73,157.58

Finding the Fourth Proportional to 108,972.54, 150,376.50 and 73,157.58

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Solution

The fourth proportional to 108,972.54, 150,376.50 and 73,157.58 is: 100,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,972.54 : 150,376.50 = 73,157.58 : x
  2. Step 2: Convert to fraction form
    108,972.54/150,376.50 = 73,157.58/x
  3. Step 3: Cross multiply
    108,972.54x = 150,376.50 × 73,157.58
  4. Step 4: Simplify right side
    108,972.54x = 11,001,180,828.87
  5. Step 5: Solve for x
    x = 11,001,180,828.87/108,972.54
  6. Step 6: Final answer
    x = 100,953.70

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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.