Home / 109,064.43-163,429.53-73,393.77

Finding the Fourth Proportional to 109,064.43, 163,429.53 and 73,393.77

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Solution

The fourth proportional to 109,064.43, 163,429.53 and 73,393.77 is: 109,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,064.43 : 163,429.53 = 73,393.77 : x
  2. Step 2: Convert to fraction form
    109,064.43/163,429.53 = 73,393.77/x
  3. Step 3: Cross multiply
    109,064.43x = 163,429.53 × 73,393.77
  4. Step 4: Simplify right side
    109,064.43x = 11,994,708,969.06
  5. Step 5: Solve for x
    x = 11,994,708,969.06/109,064.43
  6. Step 6: Final answer
    x = 109,978.19

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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.