Home / 109,421.08-164,051.93-73,793.90

Finding the Fourth Proportional to 109,421.08, 164,051.93 and 73,793.90

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Solution

The fourth proportional to 109,421.08, 164,051.93 and 73,793.90 is: 110,637.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,421.08 : 164,051.93 = 73,793.90 : x
  2. Step 2: Convert to fraction form
    109,421.08/164,051.93 = 73,793.90/x
  3. Step 3: Cross multiply
    109,421.08x = 164,051.93 × 73,793.90
  4. Step 4: Simplify right side
    109,421.08x = 12,106,032,311.84
  5. Step 5: Solve for x
    x = 12,106,032,311.84/109,421.08
  6. Step 6: Final answer
    x = 110,637.11

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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.