Home / 109,873.66-164,816.93-42,406.06

Finding the Fourth Proportional to 109,873.66, 164,816.93 and 42,406.06

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Solution

The fourth proportional to 109,873.66, 164,816.93 and 42,406.06 is: 63,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,873.66 : 164,816.93 = 42,406.06 : x
  2. Step 2: Convert to fraction form
    109,873.66/164,816.93 = 42,406.06/x
  3. Step 3: Cross multiply
    109,873.66x = 164,816.93 × 42,406.06
  4. Step 4: Simplify right side
    109,873.66x = 6,989,236,410.57
  5. Step 5: Solve for x
    x = 6,989,236,410.57/109,873.66
  6. Step 6: Final answer
    x = 63,611.57

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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.