Home / 118,548.40-163,588.44-64,832.28

Finding the Fourth Proportional to 118,548.40, 163,588.44 and 64,832.28

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Solution

The fourth proportional to 118,548.40, 163,588.44 and 64,832.28 is: 89,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,548.40 : 163,588.44 = 64,832.28 : x
  2. Step 2: Convert to fraction form
    118,548.40/163,588.44 = 64,832.28/x
  3. Step 3: Cross multiply
    118,548.40x = 163,588.44 × 64,832.28
  4. Step 4: Simplify right side
    118,548.40x = 10,605,811,546.84
  5. Step 5: Solve for x
    x = 10,605,811,546.84/118,548.40
  6. Step 6: Final answer
    x = 89,463.98

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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.