Home / 109,054.86-163,582.32-34,180.81

Finding the Fourth Proportional to 109,054.86, 163,582.32 and 34,180.81

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Solution

The fourth proportional to 109,054.86, 163,582.32 and 34,180.81 is: 51,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,054.86 : 163,582.32 = 34,180.81 : x
  2. Step 2: Convert to fraction form
    109,054.86/163,582.32 = 34,180.81/x
  3. Step 3: Cross multiply
    109,054.86x = 163,582.32 × 34,180.81
  4. Step 4: Simplify right side
    109,054.86x = 5,591,376,199.28
  5. Step 5: Solve for x
    x = 5,591,376,199.28/109,054.86
  6. Step 6: Final answer
    x = 51,271.22

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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.