Home / 109,074.07-163,444.10-73,403.15

Finding the Fourth Proportional to 109,074.07, 163,444.10 and 73,403.15

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Solution

The fourth proportional to 109,074.07, 163,444.10 and 73,403.15 is: 109,992.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,074.07 : 163,444.10 = 73,403.15 : x
  2. Step 2: Convert to fraction form
    109,074.07/163,444.10 = 73,403.15/x
  3. Step 3: Cross multiply
    109,074.07x = 163,444.10 × 73,403.15
  4. Step 4: Simplify right side
    109,074.07x = 11,997,311,788.92
  5. Step 5: Solve for x
    x = 11,997,311,788.92/109,074.07
  6. Step 6: Final answer
    x = 109,992.34

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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.