Home / 113,806.07-170,727.65-42,734.21

Finding the Fourth Proportional to 113,806.07, 170,727.65 and 42,734.21

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Solution

The fourth proportional to 113,806.07, 170,727.65 and 42,734.21 is: 64,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,806.07 : 170,727.65 = 42,734.21 : x
  2. Step 2: Convert to fraction form
    113,806.07/170,727.65 = 42,734.21/x
  3. Step 3: Cross multiply
    113,806.07x = 170,727.65 × 42,734.21
  4. Step 4: Simplify right side
    113,806.07x = 7,295,911,781.56
  5. Step 5: Solve for x
    x = 7,295,911,781.56/113,806.07
  6. Step 6: Final answer
    x = 64,108.28

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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.