Home / 112,975.11-169,476.80-34,089.21

Finding the Fourth Proportional to 112,975.11, 169,476.80 and 34,089.21

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Solution

The fourth proportional to 112,975.11, 169,476.80 and 34,089.21 is: 51,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,975.11 : 169,476.80 = 34,089.21 : x
  2. Step 2: Convert to fraction form
    112,975.11/169,476.80 = 34,089.21/x
  3. Step 3: Cross multiply
    112,975.11x = 169,476.80 × 34,089.21
  4. Step 4: Simplify right side
    112,975.11x = 5,777,330,054.88
  5. Step 5: Solve for x
    x = 5,777,330,054.88/112,975.11
  6. Step 6: Final answer
    x = 51,138.08

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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.