Home / 109,747.08-164,448.90-84,848.49

Finding the Fourth Proportional to 109,747.08, 164,448.90 and 84,848.49

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Solution

The fourth proportional to 109,747.08, 164,448.90 and 84,848.49 is: 127,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,747.08 : 164,448.90 = 84,848.49 : x
  2. Step 2: Convert to fraction form
    109,747.08/164,448.90 = 84,848.49/x
  3. Step 3: Cross multiply
    109,747.08x = 164,448.90 × 84,848.49
  4. Step 4: Simplify right side
    109,747.08x = 13,953,240,847.16
  5. Step 5: Solve for x
    x = 13,953,240,847.16/109,747.08
  6. Step 6: Final answer
    x = 127,139.97

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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.