Home / 99,054.36-148,576.08-72,427.64

Finding the Fourth Proportional to 99,054.36, 148,576.08 and 72,427.64

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Solution

The fourth proportional to 99,054.36, 148,576.08 and 72,427.64 is: 108,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,054.36 : 148,576.08 = 72,427.64 : x
  2. Step 2: Convert to fraction form
    99,054.36/148,576.08 = 72,427.64/x
  3. Step 3: Cross multiply
    99,054.36x = 148,576.08 × 72,427.64
  4. Step 4: Simplify right side
    99,054.36x = 10,761,014,091.97
  5. Step 5: Solve for x
    x = 10,761,014,091.97/99,054.36
  6. Step 6: Final answer
    x = 108,637.46

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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.