Home / 101,533.40-152,439.86-51,647.25

Finding the Fourth Proportional to 101,533.40, 152,439.86 and 51,647.25

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Solution

The fourth proportional to 101,533.40, 152,439.86 and 51,647.25 is: 77,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,533.40 : 152,439.86 = 51,647.25 : x
  2. Step 2: Convert to fraction form
    101,533.40/152,439.86 = 51,647.25/x
  3. Step 3: Cross multiply
    101,533.40x = 152,439.86 × 51,647.25
  4. Step 4: Simplify right side
    101,533.40x = 7,873,099,301.15
  5. Step 5: Solve for x
    x = 7,873,099,301.15/101,533.40
  6. Step 6: Final answer
    x = 77,541.97

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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.