Home / 101,376.24-152,148.60-54,043.08

Finding the Fourth Proportional to 101,376.24, 152,148.60 and 54,043.08

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Solution

The fourth proportional to 101,376.24, 152,148.60 and 54,043.08 is: 81,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376.24 : 152,148.60 = 54,043.08 : x
  2. Step 2: Convert to fraction form
    101,376.24/152,148.60 = 54,043.08/x
  3. Step 3: Cross multiply
    101,376.24x = 152,148.60 × 54,043.08
  4. Step 4: Simplify right side
    101,376.24x = 8,222,578,961.69
  5. Step 5: Solve for x
    x = 8,222,578,961.69/101,376.24
  6. Step 6: Final answer
    x = 81,109.53

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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.