Home / 102,168.11-140,992.63-56,848.01

Finding the Fourth Proportional to 102,168.11, 140,992.63 and 56,848.01

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Solution

The fourth proportional to 102,168.11, 140,992.63 and 56,848.01 is: 78,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,168.11 : 140,992.63 = 56,848.01 : x
  2. Step 2: Convert to fraction form
    102,168.11/140,992.63 = 56,848.01/x
  3. Step 3: Cross multiply
    102,168.11x = 140,992.63 × 56,848.01
  4. Step 4: Simplify right side
    102,168.11x = 8,015,149,593.08
  5. Step 5: Solve for x
    x = 8,015,149,593.08/102,168.11
  6. Step 6: Final answer
    x = 78,450.60

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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.